Federal authorities have called those who monitor ICE ‘domestic terrorists.’ Here’s what we know
January 22, 2026
One of the most extreme winter storms in years is set to deliver damaging ice and heavy snow to nearly half the US
January 20, 2026
An Immigration and Customs Enforcement memo obtained by The Associated Press reveals that the agency allows immigration officers to forcibly enter homes to make arrests without a judicial warrant
January 21, 2026
The astronauts evacuated last week from the International Space Station say a portable ultrasound machine came in “super handy" during the medical crisis
January 21, 2026
Electrical issue that grounded Trump’s flight raises questions about aging Air Force One aircraft
January 21, 2026
Discovered: An outline of a hand that’s at least 67,800 years old
January 21, 2026
$99 lung cancer scan helps woman detect disease early
January 21, 2026
Handprints on the walls of Indonesian caves may be the oldest rock art studied so far, dating back at least 67,800 years
January 21, 2026
Three authors have been awarded $10,000 prizes for blending scientific research with literary grace
January 21, 2026
From poop to potting soil: Stock Show turns animal bedding into compost
January 21, 2026
Artificial intelligence systems have big environmental costs but are also finding ways to save energy and water, cut emissions and make businesses more efficient.
January 21, 2026
Federal agents have pepper-sprayed, tackled and detained people recording their actions. If you post your recordings of agents, you also risk the feds tracking you and those around you.
January 21, 2026
Antibiotics transformed health care for the better, but their diminishing effectiveness may soon be its undoing. Researchers are studying ways to fight back against resistance.
January 21, 2026
It’s not too late to try Dry January. Start now, with a doctor’s advice
January 21, 2026
What it was like to pilot the supersonic Concorde jet
January 21, 2026
NASA astronaut Suni Williams retires months after return from troubled mission to orbit
January 21, 2026
NASA's Suni Williams — one of two astronauts stuck for months at the International Space Station — has retired
January 21, 2026
Measles elimination status ‘not really’ a concern, CDC official says
January 21, 2026
A 1951 defense agreement between the United States and Denmark allows the US to build military installations on Greenland to protect the region.
January 20, 2026
International health officials plan to meet in a few months to reevaluate the United States’ measles-free status
January 20, 2026
Like living beyond your financial means, using more water than nature can replenish can have catastrophic results.
January 20, 2026
'It's been really pretty': Stargazers gather in Placerville for glimpse of Northern Lights
January 20, 2026
The world has entered a new era of ‘water bankruptcy’ with irreversible consequences
January 20, 2026
Stipends paid to residents had unintended consequences.
January 20, 2026
Supergiant star Betelgeuse is full of mysteries. New observations might solve the biggest one
January 20, 2026
While AI can streamline certain parts of the scientific process, a philosopher argues that it cannot replace human expertise and collaboration.
January 20, 2026
Sinkholes are fairly common in Philadelphia due to aging water lines that leak or burst, causing the surrounding soil to wash away.
January 20, 2026
What cardiologists want you to know about MAHA’s push to eat more fat
January 20, 2026
Ukrainian President Volodymyr Zelenskyy says that Russia has launched more than 300 drones and missiles in a nighttime attack on Ukraine's power grid
January 20, 2026
The US had a record-breaking year for measles. It may be the start of a deadly comeback
January 20, 2026
Four shark attacks in two days. Why Australia’s beaches are so dangerous this year
January 20, 2026
A new study finds that warming temperatures are causing Antarctic penguins to breed earlier, threatening some species with extinction by century's end
January 20, 2026
Medical groups sue to block new CDC vaccine recommendations
January 15, 2026
The aurora could be visible across Canada and much of the northern U.S. following a major disturbance in the Earth’s magnetic field
January 19, 2026
Sun releases the largest solar radiation storm ‘in over 20 years,’ forecasters say
January 19, 2026
Video shows cow using a brush to scratch its back in first described case of tool use in cattle
January 19, 2026
In the wake of spiraling tensions between the United States and Iran over Tehran’s violent crackdown of protests, analysts warn that internal upheaval or a potential collapse of the Iranian government could carry nuclear risks
January 19, 2026
Families share histoplasmosis stories as Tennessee cases climb to more than 30
January 19, 2026
Woman with rare genetic condition seeks O negative kidney donor to save her life
January 19, 2026
22-year-old Cornell grad launches nature conservancy
January 19, 2026
Alabama's robotic ultrasound plan raises concerns from OB-GYNs
January 19, 2026
New Mexico sees alarming rise in tree die-off due to warm weather and insects
January 19, 2026
A Portland, Oregon, baby got sick with infant botulism after drinking contaminated ByHeart formula donated through a program that helps poor and homeless families
January 19, 2026
A rover recently captured sounds of lightning crackling on Mars, over a decade after scientists uncovered the first evidence for electric discharges on the planet.
January 19, 2026
A new study investigated the source of a leak in a ‘miracle measurement’ from 2010 – and engineers found a potential solution.
January 19, 2026
When you think IMAX, chances are your mind goes to those immersive documentaries that take you inside volcanoes, deep under oceans or to distant planets
January 19, 2026
1,500 soldiers on standby for possible Minnesota deployment, source says, as state mobilizes National Guard
January 18, 2026
Trump’s double pardon underscores sweeping use of clemency
January 17, 2026
Pentagon pauses HIV-positive recruit training while signaling it may soon reinstate a ban on their enlistment
January 17, 2026
A blast of winter weather has brought snowfall and subfreezing wind chills across the Midwest and East Coast as well as near-freezing temperatures in parts of the South, including Florida
January 17, 2026
NASA's giant new moon rocket is finally at the launch pad
January 17, 2026
Longtime climate activist Bill McKibben finds hope in solar energy despite the Trump administration rolling back environmental regulations and freezing offshore wind projects
January 17, 2026
Many women and doctors dismiss Trump’s Tylenol claim as more research suggests no autism link
January 16, 2026
A new review of studies has found that taking Tylenol during pregnancy doesn’t increase the risk of autism, ADHD or intellectual disabilities
January 16, 2026
A federal judge has ruled that work on a Virginia offshore wind project could resume
January 16, 2026
OpenAI plans to introduce ads for ChatGPT users who aren't paying for the premium version
January 16, 2026
Supreme Court agrees to hear longstanding fight over Roundup cancer claims
January 16, 2026
The White House and a bipartisan group of governors are taking aim at power shortages and price spikes from data centers for artificial intelligence
January 16, 2026
The first ‘across the bridge’: Man who received experimental pig kidney transplant now has a human organ
January 16, 2026
The Supreme Court has agreed to hear an appeal from agrochemical manufacturer Bayer to block thousands of state lawsuits alleging it failed to warn people its popular weedkiller could cause cancer
January 16, 2026
Tourists are bundling up and warming shelters have opened as Florida experiences its coldest weather of the winter season
January 16, 2026
Genetic clues may be hiding in Leonardo da Vinci’s artwork
January 16, 2026
Reported measles cases in South Carolina surged by almost 30% in the last few days
January 16, 2026
Health experts say the U.S. flu season appears to be waning with two straight weeks of decline in measures of flu activity
January 16, 2026
Community unites to sustainably restore Santa Cruz's iconic blue whale skeleton
January 16, 2026
These ancient designs may be the first evidence of humans doing math
January 16, 2026
Financial stress may be as bad for the heart as traditional risk factors for cardiovascular disease
January 16, 2026
Beef is a source of complete protein for humans, but its production results in greenhouse gas emissions.
January 16, 2026
Iran’s internet shutdown cuts off most communication with the outside world during violent repression of national protests.
January 16, 2026
A particularly infectious subvariant of influenza is keeping emergency room numbers high and causing especially severe illness in children.
January 16, 2026
Trash pandas’ talent for escaping via lab vents may frustrate researchers, but their problem-solving skills make their brains a fascinating area of research.
January 16, 2026
Reading comprehension scores are tanking, and fewer Americans are picking up books. But practicing deep reading can help you process content more carefully and keep you from falling for misinformation.
January 16, 2026
A group of German scientists tested the effects of a more acidic ocean on sharks’ teeth and found that future generations of sharks could have weaker teeth because of changing ocean chemistry
January 16, 2026
Four astronauts aboard a SpaceX capsule splashed down in the Pacific Ocean off the coast of San Diego, ending a weeklong effort to return the crew early prompted by a medical issue involving one crew member.
January 15, 2026
Good news: World records longest ever lull in nuclear tests. Bad news: It’s on shaky ground
January 15, 2026
Two new studies from the Centers for Disease Control and Prevention show wastewater monitoring of measles can flag measles spread days to weeks in advance
January 15, 2026
Elon Musk's AI assistant, Grok, is facing scrutiny from governments worldwide
January 15, 2026
The expansion of Arctic shipping, scramble for seafloor mining and overfishing are all straining international relationships. But the powers of diplomacy go beyond ocean treaties.
January 15, 2026
Is it time to tear down the aging SF Zoo? A campaign to replace it with an ecological park has begun
January 15, 2026
The Asian giant is grappling with a dramatic population decline, with a fertility rate of 1.0, well below the 2.1 replacement rate.
January 15, 2026
First on CNN: Noninvasive brain treatment for depression proves helpful
January 15, 2026
Scientists have uncovered mummified remains of cheetahs from caves in northern Saudi Arabia
January 15, 2026
Fossil analysis changes what paleontologists know about how long T. rex took to grow full size
January 15, 2026
An ailing astronaut is back on Earth
January 15, 2026
Former NASA Astronaut Leroy Chiao joins The Lead.
January 14, 2026
Prehistoric wolf’s gut frozen in time reveals an ice age giant
January 15, 2026
Viral bodycam video captures deputy wrangling large, runaway bird: "I've never handcuffed an emu"
January 15, 2026
4 astronauts return to Earth after medical issue forces early ISS exit
January 15, 2026
Elon Musk’s X says its AI chatbot Grok won't be able to edit photos of real people in revealing clothing in places where that is illegal
January 15, 2026
New Year’s resolutions typically fade so quickly that there is a ‘Quitter’s Day’ named after them, for the second Friday in January. But small actions and shifts in mindset can have much longer-lasting beneficial effects.
January 15, 2026
As climate extremes intensify, adaptation debates favor new technologies. Terraces in the Philippines and Morocco show how people modified their landscapes to respond to past climate shifts.
January 15, 2026
Climate change is driving a global boom in desalination as regions turn to the sea for drinking water
January 15, 2026
U.S., Danish and Greenlandic officials have met face to face to discuss President Donald Trump’s ambitions to take control of Greenland, a semiautonomous territory of Denmark
January 15, 2026
Fostering a sense of pride in local communities increases citizen participation, including, at a bare minimum, voting in municipal elections.
January 15, 2026
The high court recognizes a person’s right to self-defense with firearms but has also upheld the government’s power to enforce limits on that right.
January 15, 2026
Scientists have traditionally focused on educating the public on science or correcting misinformation. But researchers from marginalized communities often have broader goals in science communication.
January 15, 2026
What to do if you’ve been exposed to measles
January 15, 2026
A bipartisan group of lawmakers has proposed creating a new agency with $2.5 billion to boost production of rare earths and the other critical minerals
January 15, 2026
An astronaut in need of medical care is on the way back to Earth
January 14, 2026
A top Danish official says a “fundamental disagreement” over Greenland remains with President Donald Trump after talks in Washington with Vice President JD Vance and Secretary of State Marco Rubio
January 14, 2026
Federal health officials say at least 45 people in nearly two dozen states have been sickened with salmonella food poisoning tied to the Super Greens brand of diet supplement powder
January 14, 2026
History also shows that many of the fanciful engineering ideas for Greenland failed because they misjudged the island’s harsh climate and dynamic ice sheet.
January 14, 2026
A new report says organ donations from the recently deceased dropped last year, resulting in fewer kidney transplants
January 14, 2026
NTSB investigators pinpoint failed aircraft part from UPS crash last year
January 14, 2026
Elon Musk’s Grok can no longer undress images of real people on X
January 14, 2026
4 astronauts depart ISS, leaving behind just 3 crewmates to staff the orbiting lab
January 14, 2026
Whole milk is heading back to school lunch cafeterias
January 14, 2026
A federal judge is considering whether to set aside a Trump administration order pausing the construction of a major offshore project for New York
January 14, 2026
Federal officials are reinstating hundreds of U.S. health workers who were laid off last year from a small health agency that aims to protect workers
January 14, 2026
Horses really can smell our fear, new study finds
January 14, 2026
SpaceX's Starlink has dropped fees to help Iranian demonstrators share protest details globally, activists say
January 14, 2026
Trump wants to slash funding for federal climate and weather research. Congress is about to tell him ‘No’
January 14, 2026
U.S. overdose deaths fell through the most of last year, suggesting a lasting improvement in an epidemic that had been worsening for decades
January 14, 2026
Patches of low vaccination in the US are becoming bigger, riskier holes
January 14, 2026
President Donald Trump’s threats against independent media and free speech look a lot like the actions of autocrats elsewhere intent on undermining the institutions meant to keep them in check.
January 14, 2026
Scientists calculate that last year was one of the three hottest on record, along with 2024 and 2023
January 14, 2026
Stress-proof your body: How to build a nervous system that supports your fitness goals
January 14, 2026
Some methods being tried to counter climate change shift the ocean’s biology or chemistry. Others would deflect solar radiation. All have consequences for marine life.
January 14, 2026
The Trump administration placed new security requirements on Nividia’s semiconductor sales to China, but essentially greenlighted the export of its powerful H200 artificial intelligence chips to Chinese buyers
January 14, 2026
Meals and snacks with “GLP-1 Friendly” labels on the packaging are becoming more common as a growing number of Americans try obesity drugs like Wegovy and Zepbound to lose weight
January 14, 2026
AI companies are gearing up to follow the social media model of monetizing their platforms through advertising. The danger for consumers with AI goes beyond data privacy to covert manipulation.
January 14, 2026
The US, China, India, Europe and Japan all have exciting missions on the horizon in 2026. Many of them are collaborative feats.
January 14, 2026
Chatter in social media communities sheds light on a hidden population of substance users.
January 14, 2026
Railway safety has vastly improved for motor vehicles, but reducing the risk of collisions with pedestrians is much trickier.
January 14, 2026
It’s that time of year again, when lots of U.S. residents are blasting the heat in their homes and still freezing cold
January 14, 2026
Scientists have inaugurated the first global repository of mountain ice cores in an Antarctic vault
January 14, 2026
President Donald Trump promoted his efforts to boost U.S. manufacturing, as he tries to counter fears about a weakening job market and worries that still-rising prices are hurting Americans’ pocketbooks
January 13, 2026
Wildlife crews have stopped actively searching for two juvenile gray wolves in Northern California's Sierra Valley
January 14, 2026
Combining small changes in diet, exercise and sleep may extend life
January 13, 2026
The House gave approval to legislation aimed at loosening water efficiency regulations for showerheads
January 13, 2026
Animals at Rio de Janeiro’s BioParque zoo received popsicles and frozen treats Tuesday as the city faced another day of extreme heat during Brazil’s summer
January 13, 2026
Access to Elon Musk’s Starlink internet service is now free in Iran as regime continues brutal crackdown on protests
January 13, 2026
Federal regulators are telling drugmakers to remove label warnings about potential suicidal thoughts and behaviors from their blockbuster weight-loss drugs
January 13, 2026
The Environmental Protection Agency says it will stop calculating the economic savings of health benefits from air pollution rules
January 13, 2026
U.S. President Donald Trump has made an American takeover of Greenland a focus of his second term in the White House
January 13, 2026
New options for testing and treating some of the most common sexually transmitted diseases are becoming available
January 12, 2026
Mother diagnosed with perimenopause after years of unexplained symptoms
January 13, 2026
Hockey dad credits 'end-of-life care' with saving his life
January 13, 2026
Astronomers now say the moon is eating up molecules from Earth’s atmosphere
January 13, 2026
High-tech beanie helps to soothe NICU babies
January 13, 2026
At the same time, Americans have been facing worsening storms, wildfires and deadly heat waves.
January 10, 2026
Woman who was shocked on sidewalk with her dog speaks out: "Like he was being tased"
January 13, 2026
The policy of providing guaranteed cash incomes has gained momentum in recent years. This tool to tackle inequality has the potential to address racial resentment.
January 13, 2026
Microsoft has a plan to stop AI data centers from hiking up your electricity bill
January 13, 2026
The 2025-26 ‘super’ flu can come with vomiting and diarrhea, alongside the more typical aches and pains of flu.
January 13, 2026
Marine viruses attack cells, but the material that spills out helps fuels marine life around the world.
January 13, 2026
Researchers who focus on one specialty are more likely to rise through the academic ranks, even though wicked societal problems require crosscutting work to solve.
January 13, 2026
Stargazing can stimulate an interest in space in kids and lead to a passion for science. But rural schools often lack the resources to nurture these interests.
January 13, 2026
Belgian biathlete Maya Cloetens is concerned about the future of winter sports in a warming world
January 13, 2026
Amazon’s big plan to beat ChatGPT: Give Alexa a better memory
January 13, 2026
Malaysian authorities have announced legal action against Elon Musk's social media platform X and its AI unit xAI
January 13, 2026
Researchers say the United States emitted 2.4% more greenhouse gases in 2025 than the previous year
January 13, 2026
Pentagon bought device through undercover operation some investigators suspect is linked to Havana Syndrome
January 13, 2026
A federal judge ruled Monday that work on a major offshore wind farm for Rhode Island and Connecticut can resume, handing the industry at least a temporary victory as President Donald Trump seeks to shut it down
January 12, 2026
Democrats are looking to expand their hold on the nation's governorships in the midterm elections in November
January 12, 2026
Apple will lean on Google to help finish its bungled attempts to smarten up its virtual assistant Siri and bring other artificial intelligence features to the iPhone as the trendsetting company plays catch up in technology’s latest craze
January 12, 2026
Birds at a college changed beak shapes during the pandemic. It might be a case of rapid evolution
January 12, 2026
Apple teams up with Google Gemini for AI-powered Siri
January 12, 2026
Blending green hydrogen with natural gas is seen by some as key to achieving California’s clean energy goals
January 12, 2026
Malaysia and Indonesia have blocked access to Elon Musk's AI chatbot Grok as concerns grow over its misuse in generating explicit images
January 12, 2026
Older adults whose diets consisted of only 15% ultraprocessed foods – rather than the usual 50% – had lower weight, insulin and cholesterol.
January 12, 2026
Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond.
January 12, 2026
Musk’s Grok blocked by Indonesia, Malaysia over sexualized images in world first
January 12, 2026
Wegmans is scanning your face at some stores. It’s not the only company
January 12, 2026
‘Completely bonkers’: Trump’s Greenland mining dreams collide with reality
January 12, 2026
TV shows can be misleading when it comes to educating viewers on hands-only CPR, along with who experiences cardiac arrest and where.
January 12, 2026
Dr. Janell Green Smith's life was dedicated to finding solutions to the crisis of Black women dying in childbirth. That was until she herself died just days after giving birth to her daughter. One of Dr. Green Smith's family members, Dr. Nichole Wardlaw, who is a midwife herself, talks to CNN about her legacy and the crisis still facing many pregnant Black women today.
January 10, 2026
Google is expanding the shopping features in its AI chatbot by teaming up with Walmart, Shopify, Wayfair and other big retailers to turn the Gemini app into a virtual merchant as well as an assistant
January 11, 2026
Thousands of tourists are stranded in northern Finland after flights at Kittilä airport were canceled due to severe cold
January 11, 2026
The findings from Pandora will complement data from the James Webb Space Telescope to give astronomers more insight into stars and planets outside our solar system.
January 11, 2026
Erich von Däniken, the Swiss author whose books on the extraterrestrial origins of ancient civilizations brought him both fame and scorn, has died at age 90
January 11, 2026
Brazil’s biggest soy producers have withdrawn from the soy moratorium, a pledge to avoid Amazon deforestation
January 10, 2026
Doctors fear this week’s unprecedented changes to federal vaccine recommendations will stoke vaccine hesitancy even more, pose challenges for pediatricians and parents and ultimately lead to more illness and death among children
January 10, 2026
Medical experts say strength training keeps bones and muscles healthy after menopause when estrogen loss speeds up a reduction in bone density and contributes to the gradual loss of muscle mass
January 10, 2026
Russia struck Ukraine with a hypersonic Oreshnik missile on Thursday, a rare use of one of its most advanced weapons. CNN's Nick Paton Walsh got an exclusive look inside the remnants of one of these missiles last January.
January 09, 2026
Fears of an AI bubble were nowhere to be found at the world’s biggest tech show
January 10, 2026
New York’s attorney general has sued the Trump administration for halting two major offshore wind projects expected to power more than 1 million homes
January 10, 2026
Lyft and Uber drivers protested Waymo’s self-driving taxis in San Francisco
January 09, 2026
State health officials in South Carolina have confirmed 99 new cases of measles since Tuesday
January 09, 2026
Shawn Johnson East speaks out on protecting babies from RSV
January 09, 2026
CDC says flu activity probably has not peaked amid record-breaking season
January 09, 2026
Why some people can’t stay away from alcohol, even when they know it’s hurting them
January 09, 2026
Elon Musk's AI chatbot Grok is now restricting image generation and editing to paying users
January 09, 2026
U.S. flu infections are showing signs of a slight decline, but health officials say it is not clear that this severe flu season has peaked
January 09, 2026
Facebook parent Meta has reached nuclear power deals with three companies as it continues to look for electricity sources for its artificial intelligence data centers
January 09, 2026
After ‘digital undressing’ criticism, Elon Musk’s Grok limits some image generation to paid subscribers
January 09, 2026
Russia strikes western Ukraine with Oreshnik ballistic missile, one of its most advanced weapons
January 09, 2026
What is the Oreshnik ballistic missile fired by Russia into Ukraine?
January 09, 2026
Environmental experts warn that U.S. plans under President Donald Trump to restart and control Venezuelan oil exports could intensify pollution, greenhouse gas emissions and ecological damage in a country already burdened by decades of oil-related degradation
January 09, 2026
Russia has used its latest missile against Ukraine for a second time in the nearly 4-year-old war, a forceful signal to Kyiv and its Western allies as peace talks are in a crucial stage
January 09, 2026
Doctor’s visits are already rushed. Adding extra steps means some children, especially those from low-income families, simply won’t get the vaccines they should.
January 09, 2026
An atmospheric chemist offers quick, easy and inexpensive suggestions to reduce indoor air pollution.
January 09, 2026
29 states allow mail-in ballots postmarked by Election Day to be counted days after an election. A case before the Supreme Court could take that decision away from the states.
January 09, 2026
Researchers identified a key molecule that highlights how the immune system is linked to the release of dopamine.
January 09, 2026
NASA, SpaceX and Blue Origin have all successfully launched superheavy-lift rockets. These massive vehicles are designed to carry a much heavier load.
January 09, 2026
Will you notice any change at the grocery store because of RFK Jr.’s new food guidelines? You already have
January 09, 2026
NASA crew to make rare early return to Earth after medical issue in space
January 08, 2026
CES 2026 showcased futuristic tech, from paper-thin screens to AI-driven gadgets
January 09, 2026
In a rare move, NASA is cutting a mission aboard the International Space Station short after an astronaut had a medical issue
January 08, 2026
The Latest: Groundhog Punxsutawney Phil will predict winter's end or 6 more weeks of cold
Did artificial intelligence really drive layoffs at Amazon and other firms? It can be hard to tell
Gaza's border crossing to Egypt reopens in a key step for truce but only few Palestinians can cross
Transfer deadline: Premier League clubs most active with hours left in winter window
Iran summons EU ambassadors to protest Revolutionary Guard being listed as a terror group
The Grammys had lots of Mars, Carpenter soaring and a near-naked Bieber. Here are some key moments