Wildfire smoke pollution linked to 24,100 U.S. deaths per year, study finds
"Our message is: Wildfire smoke is very dangerous. It is an increasing threat to human health," said a study author.
ClimateWatch: Climate Change News & Features
Scientists "quite surprised" to find one polar bear population thriving
After decades monitoring polar bears in Norway's far north, researchers say the animals have proven incredibly adaptable, but there are no guarantees for the future.
Winter storm doesn't disprove climate change, despite Trump's claim
President Trump cited a major winter storm as evidence to suggest that global warming does not exist — a misleading claim that has been consistently debunked by climate experts.
World is entering era of "water bankruptcy," U.N. report warns
Water sources are being depleted faster than they can be restored, according to a new report from United Nations researchers.
Massive bluefin tuna fetches record $3.2 million at Tokyo auction
A massive 535-pound bluefin tuna sold for a record 510 million yen ($3.2 million) at the first auction of 2026 at Tokyo's Toyosu fish market.
2025 was so hot it pushed Earth past critical climate change mark
2025 was the third hottest year on record and pushed Earth past a critical climate change mark, scientists say.
Major climate research center on Trump administration chopping block
The Trump administration intends to dismantle one of the world's leading climate research institutions, in Boulder, Colorado, over what it said were concerns about "climate alarmism."
Arctic temperatures rising twice as fast as elsewhere, NOAA report says
Temperatures in the Arctic continue to follow a long-term warming trend, according to the National Oceanic and Atmospheric Administration.
Researchers lower estimate of drop in global income due to climate change
The researchers, writing in the journal Nature in 2024, had forecast a 19% drop in global income by 2050. Their revised analysis puts the figure at 17%.
SpaceX launches second satellite to monitor sea level changes
The Sentinel-6B is the second of two satellites in a $1 billion program to monitor sea levels over a full decade.
As Trump skips U.N. climate summit, Newsom hurls criticism from Brazil
The Trump administration sent nobody to the U.N. global climate summit, leaving California Governor Gavin Newsom to ask, "What the hell is going on here?"
U.N. climate talks start in Brazil: "We need to accelerate the fight"
U.N. climate negotiations get underway in Brazil, with leaders urging urgency and cooperation to curb global warming. The Trump administration is not participating.
Hundreds of dolphins found dead in lake were in water hotter than jacuzzi
"You couldn't put your finger in the water," said the lead author of the study, which spotlights the impacts of planetary warming on aquatic ecosystems.
Maps show Hurricane Melissa's forecast path
Hurricane Melissa brought hurricane-force gusts to Bermuda overnight and will weaken as it heads north, the U.S. National Hurricane Center said. Maps show its forecast path.
Bill Gates shifts tone on climate, criticizes "doomsday view"
For decades, Bill Gates has warned of climate disaster — but his tone meaningfully shifted as he cautioned against taking a "doomsday view" on the planet's future.
Trump admin. aims to auction offshore oil leases despite states' opposition
The Trump administration is proposing to auction offshore oil drilling leases across new portions of the U.S. coast as soon as 2026, according to internal documents viewed by CBS News.
Heat wave caused key part of Florida coral reef to become "functionally extinct"
A record 2023 heat wave all but eradicated two species of coral that historically served as the backbone of Florida's reefs, researchers said in a new report.
Race on to find shelter for hundreds from Alaskan villages slammed by storm
More rain and wind were forecast Wednesday for the Alaskan coast where two tiny villages were decimated by Typhoon Halong's remnants. Officials scrambled to find shelter for more than 1,500 people.
Fall foliage colors muted in several regions due to drought
Leaf-peeping season has arrived in the Northeast and beyond, but weeks of drought have dulled this year's autumn colors and sent leaves fluttering to the ground earlier than usual.
1 dead, 2 missing after severe Alaska flooding; "absolute devastation"
One person was dead and two missing in western Alaska after the remnants of Typhoon Halong brought hurricane-force winds and ravaging storm surges and floodwaters to the region.
Coral reefs are first environmental system to pass climate "tipping point"
Crucial for marine life and the global economy, coral reefs are the planet's first major environmental system to cross a climate "tipping point" as the world warms.
Arctic seals, most bird species on new list of threatened species
One bright spot is green sea turtles, which have recovered substantially, the IUCN said as it released its latest Red List of Threatened Species.
Inhalers for asthma, COPD are climate change contributors, study finds
"These emissions drive global warming, exacerbating the very respiratory conditions inhalers are meant to relieve," researchers wrote.
Trump administration cancels $8 billion for climate projects
The targeted climate-related projects are in 16 states, all of which voted for Vice President Kamala Harris in 2024.
Vermont drought is hitting dairy farmers hard as they turn to costly measures
An ongoing drought in Vermont is depleting feed crops, causing problems for dairy farmers who have been pushed to adapt and take costly measures to care for their cattle.
Science
Scientists "quite surprised" to find one polar bear population thriving
After decades monitoring polar bears in Norway's far north, researchers say the animals have proven incredibly adaptable, but there are no guarantees for the future.
Mysterious dark matter seen in new map of distant galaxies
Dark matter doesn't absorb or give off light so scientists can't study it directly. But they can observe how its gravity warps and bends the star stuff around it.
Cow develops technique to scratch herself
"CBS Saturday Morning" learns more about Veronika, the clever cow who figured out multiple ways to scratch herself with a broom. It was the first time a cow was seen using a tool.
Almanac: January 18
"Sunday Morning" looks back at historical events on this date.
Fossils found at Dinosaur National Monument, first excavation in 100 years
The Dinosaur National Monument, which is located on the border between Colorado and Utah, was last excavated in 1924.
Dogs can learn by eavesdropping: study
Have you ever wondered if your dog is eavesdropping on you? A new study published in the Journal of Science found that some dogs are not only listening, but are also learning words. Lead scientist Dr. Shany Dror joins CBS News to discuss.
Fossils found in cave shed light on where our species emerged
Fossilized bones and teeth dating to 773,000 years ago are providing a deeper understanding of the emergence of Homo sapiens.
The history and mystery of kissing
If you rang in the new year with a kiss, you took part in a tradition millions of years in the making. Scientists now say the origins of kissing go back much farther than most think. CBS News' Tina Kraus has more.
2025 was so hot it pushed Earth past critical climate change mark
2025 was the third hottest year on record and pushed Earth past a critical climate change mark, scientists say.
Major climate research center on Trump administration chopping block
The Trump administration intends to dismantle one of the world's leading climate research institutions, in Boulder, Colorado, over what it said were concerns about "climate alarmism."
Researchers capture video of rare polar bear adoption
The footage of a bear caring for an adopted cub was captured during the annual polar bear migration along the Western Hudson Bay in Churchill, Manitoba.
Dinosaur tracks showing "herds moving in synchrony" found in Italy
Most of the footprints are elongated and made by bipeds. The best-preserved ones bear traces of at least four toes.
Interstellar comet is making its closest approach to Earth
NASA continues to aim its space telescopes at the visiting ice ball, estimated to be up to 3.5 miles in size.
Fossil footprints in Bolivia reveal dinosaurs' awkward attempts to swim
Paleontologists have discovered and documented 16,600 footprints left by theropods, the dinosaur group that includes the Tyrannosaurus rex.
"Space gum" discovered in asteroid Bennu samples, NASA reveals
Samples collected from the asteroid Bennu are continuing the shed light on the origins of the solar system and how life developed on Earth, scientists say.
U.S.
More U.S.
How many Super Bowls have the Seahawks won?
As the Seahawks prepare to face the Patriots in the 2026 Super Bowl, here's what to know about Seattle's past appearances, wins and losses.
Looking back at all of the Patriots' past Super Bowl victories and appearances
The New England Patriots are back in the Super Bowl once again in 2026, hoping to add another ring to their list of wins. Here's a look back at their appearances, losses, how many they've won, and more.
Where you can watch the 2026 Super Bowl live today
Not sure where to watch the 2026 Super Bowl live? There are multiple ways to watch the game for free today. Here's how.
Will Bad Bunny be paid for his Super Bowl halftime performance?
Here's how much Bad Bunny is expected to earn from his halftime performance at Super Bowl LX.
Did a popular acne medication drive a Texas teen to shoot his friends?
Connor Hilton, 17, said that after taking Accutane, a prescribed acne medication, he began to have suicidal and homicidal thoughts – thoughts that, his defense argued, led him to shoot two friends in the head at his Friendswood, Texas, home. Prosecutors weren't convinced.
MoneyWatch
More MoneyWatch
Will Bad Bunny be paid for his Super Bowl halftime performance?
Here's how much Bad Bunny is expected to earn from his halftime performance at Super Bowl LX.
Washington Post publisher Will Lewis resigns just days after paper enacts mass layoffs
Will Lewis, CEO and publisher of the Washington Post, has resigned just three days after the storied newspaper laid off about one-third of its staff.
Trump throws support behind Nexstar-Tegna broadcast deal he once opposed
Nexstar's acquisition of Tegna would bring together two companies with significant holdings in local broadcast media.
Exclusive
Lutnick and Epstein were in business together, Epstein files show
Though the commerce secretary has called his interactions with Epstein as "limited," the two were in business together four years after Epstein's 2008 guilty plea.
Dow crosses 50K for first time as stocks enjoy best day since May 2025
Resurgent technology stocks drove the rebound after a volatile week, while bitcoin also recouped losses.
Politics
More Politics
Democrat wins Louisiana state House special seat in district Trump won
Democrat Chasity Verret Martinez defeated her Republican opponent in a district President Trump won by 13 points in 2024.
Nancy Pelosi to endorse Jack Schlossberg in New York congressional race
Former House Speaker Nancy Pelosi plans to endorse Jack Schlossberg, John F. Kennedy's grandson, a source familiar confirmed to CBS News.
Trump throws support behind Nexstar-Tegna broadcast deal he once opposed
Nexstar's acquisition of Tegna would bring together two companies with significant holdings in local broadcast media.
Some Team USA athletes speak out about politics at home
Skier Chris Lillis said he was "heartbroken about what's happened in the United States," while skater Amber Glenn said she "will not just be quiet."
Zelenskyy says U.S. gave Ukraine, Russia a deadline for agreement to end war
If the June deadline is not met, the Trump administration will likely put pressure on both sides to meet it, Zelenskyy told reporters.
HealthWatch
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Her deadly diagnosis only had 1 warning sign. Here's how she survived.
Becca Valle, then 37, enrolled in a cutting-edge clinical trial after surgery removed an aggressive tumor from her brain.
California urges avoiding wild mushrooms after deaths, liver transplants
More than three dozen cases of death cap mushroom poisonings have been reported in California since November, health officials said.
See the 43 drugs available on new discounted drug site TrumpRx
Here's what to know about TrumpRx, including how it works, who can use it, and how much money it can save.
White House launches TrumpRx discounted drug site
The Trump administration launched its new TrumpRx direct-to-consumer prescription drug listing site late Thursday, part of a push to offer medication at steep discounts.
Officials warn against drinking raw milk after baby dies from listeria
The New Mexico Department of Health said officials believe the baby contracted listeria after their mother drank raw milk during pregnancy.
World
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Breezy Johnson wins Team USA's first gold medal of Milano Cortina Games
Breezy Johnson took the lead early on after flying down the mountain in 1:36.10. It is her first-ever Olympic medal.
Lindsey Vonn crashes out in women's downhill race at Milano Cortina Games
Lindsey Vonn, who came out of retirement to compete in the 2026 Milano Cortina Winter Games, was airlifted off the mountain.
Ilia Malinin stunned by Yuma Kagiyama in Olympic figure skating short program
The U.S. ended Saturday in first place with 44 points. Japan was five points back going into the men's, women's and pairs free skates to decide the medals Sunday.
Jake Paul joins JD Vance to watch U.S. women's hockey team at Olympics
The U.S. women's hockey team eased to a 5-0 win over Finland on Saturday afternoon.
Italy nabs first gold medal of Milano Cortina Olympics in speedskating upset
Francesca Lollobrigida set a new Olympic record of 3 minutes, 54.28 seconds, shaving more than two-and-a-half seconds off the mark set by Dutch legend Irene Schouten four years earlier in Beijing.
Entertainment
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Bad Bunny's Super Bowl role breaks barriers and sparks debate
Reactions poured in when Bad Bunny was named Super Bowl halftime headliner, with some praising and others criticizing the choice.
Who's singing the national anthem at the Super Bowl? All about Charlie Puth
Charlie Puth has called the national anthem "one of the most beautiful pieces of music." But he's also described it as "the hardest to sing."
Brad Arnold, 3 Doors Down founder and lead singer, dies at 47
Brad Arnold, the founder and lead singer of the 3 Doors Down has died following "his courageous battle with cancer," the rock band announced Saturday on social media.
Who's performing at the Super Bowl halftime show? Here's the full list
Bad Bunny is set to take the stage at halftime for the 2026 Super Bowl. Here's who else is performing at Super Bowl 60.
Twisted Sister cancels reunion shows as frontman Dee Snider resigns
Lead singer and frontman Dee Snider said he suffers from degenerative arthritis and has had several surgeries over the years.
Technology
More Technology
Super Bowl fans warned to leave drones at home amid flight ban
The FAA says it is collaborating with the FBI to detect, track and assess unauthorized drone activity at the Super Bowl.
Ukrainian military drone simulator adapted for video gamers in world first
Gamers across the world can now recreate drone strikes in Ukraine from the comfort of their own home, with this newly released game.
How AI powered robots are helping small farms
From labor shortages to environmental impacts, farmers are looking to AI to help revolutionize the agriculture industry. One California startup, Farm-ng, is tapping into the power of AI and robotics to perform a wide range of tasks, including seeding, weeding and harvesting.
How will AI transform the workforce?
CBS News business analyst Jill Schlesinger talks about how companies are using artificial intelligence, the discussion around the technology and how it's impacting the workforce.
Tesla, Waymo leaders defend product safety
Executives from Waymo and Tesla defended their self-driving vehicle technology in testimony before the Senate Commerce Committee on Wednesday. CBS News' Kris Van Cleave reports and Ian Krietzberg, an AI correspondent at the digital media company Puck, has more.
Science
More Science
Scientists "quite surprised" to find one polar bear population thriving
After decades monitoring polar bears in Norway's far north, researchers say the animals have proven incredibly adaptable, but there are no guarantees for the future.
Mysterious dark matter seen in new map of distant galaxies
Dark matter doesn't absorb or give off light so scientists can't study it directly. But they can observe how its gravity warps and bends the star stuff around it.
Cow develops technique to scratch herself
"CBS Saturday Morning" learns more about Veronika, the clever cow who figured out multiple ways to scratch herself with a broom. It was the first time a cow was seen using a tool.
Almanac: January 18
"Sunday Morning" looks back at historical events on this date.
Fossils found at Dinosaur National Monument, first excavation in 100 years
The Dinosaur National Monument, which is located on the border between Colorado and Utah, was last excavated in 1924.
Crime
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Crime
Latest on the search for Nancy Guthrie
Savannah Guthrie and her siblings posted a third video on Saturday, pleading for their mother's return after she went missing last week. Jonathan Vigliotti reports.
Did a popular acne medication drive a Texas teen to shoot his friends?
Connor Hilton, 17, said that after taking Accutane, a prescribed acne medication, he began to have suicidal and homicidal thoughts – thoughts that, his defense argued, led him to shoot two friends in the head at his Friendswood, Texas, home. Prosecutors weren't convinced.
Latest in Nancy Guthrie disappearance
Authorities said Friday they were inspecting an apparent new message relating to the disappearance of "Today" host Savannah Guthrie's mom, Nancy, after the family reported her missing from her home on Sunday.
Luigi Mangione has outburst after hearing
Luigi Mangione had an outburst after a hearing on Friday in which the judge announced that his New York State trial will begin on June 8. CBS News legal reporter Katrina Kaufman is following the case.
Authorities tow car from Nancy Guthrie's home, investigate new message
Local and federal authorities said "investigators are actively inspecting the information provided in the message for its authenticity" regarding the disappearance of Nancy Guthrie.
Space
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Space
What led NASA to delay Artemis II launch
NASA's first crewed moon mission in more than 50 years has been delayed until March at the earliest. During a routine dress rehearsal of the launch, persistent liquid hydrogen leaks were discovered in the Artemis II rocket. CBS News space consultant Bill Harwood breaks it down.
NASA hopes to fix Artemis II moon rocket leak with on-pad repair
NASA plans to test the planned leak repair with a second dress rehearsal fueling test later this month.
NASA delays Artemis II launch
NASA delayed the Artemis II moon rocket launch after a hydrogen leak was found during a wet dress rehearsal, the agency announced Tuesday. CBS News senior space consultant Bill Harwood has the latest.
NASA begins mission to map the boundaries of our heliosphere
A NASA mission is underway to map the heliosphere, which is a huge protective bubble around the solar system that was created by the sun.
NASA moon launch off until March due to issues during tests
NASA says it can't try until March at the earliest to send a crewed spacecraft on a flight around the moon and back, due to hydrogen leaks during testing of the Artemis II rocket.
Latest Galleries
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Notable Deaths in 2026
A look back at the esteemed personalities who've left us this year, who'd touched us with their innovation, creativity and humanity.
Evidence in the Barbara Kendhammer case
Does the evidence show a cover-up, or was Todd Kendhammer wrongfully convicted for the murder of his wife?
The life & near death of prizefighter Christy Salters-Martin
Christy Salters-Martin dominated in the boxing ring but faced her toughest challenger at home.
Timeline: The disappearance of George Smith
Family seeks answers in death of newlywed who disappeared in 2005 while on Mediterranean honeymoon cruise.
Who is Alix Tichelman?
Meet the tattooed beauty charged in the death of Google executive Forrest Hayes.
Latest CBS News Videos
More Latest CBS News Videos
Latest CBS News Videos
Inside the iconic show where dogs dazzle
Martha Teichner has a front row seat to the 150th Annual Westminster Kennel Club Dog Show, where dogs compete to be the best in show.
The pressure of playing quarterback
With Super Bowl LX fast approaching, Jim Axelrod breaks down what makes the quarterback position one of the toughest in sports. He speaks with Seth Wickersham, author of "American Kings: A Biography of the Quarterback," to understand what makes an elite subset of quarterbacks the best of the best.
Latest on the search for Nancy Guthrie
Savannah Guthrie and her siblings posted a third video on Saturday, pleading for their mother's return after she went missing last week. Jonathan Vigliotti reports.
Almanac: February 8
"Sunday Morning" looks back at historical events on this date.
The art and science of smooching
With Valentine's Day around the corner, Susan Spencer asked: Is a kiss just a kiss? An evolutionary biologist says kissing is common in the animal kingdom and may date back 21 million years. A certified sex therapist explains why we kiss — and why some smooches linger in our memories for decades. Finally, a panel of editors at InStyle Magazine weigh in on the most iconic kisses in pop culture.