"Black carbon" in Arctic an increasing concern amid other issues in region
"Black carbon," or soot, that spews from ships and makes the Artic Ocean ice melt even faster is an increasing concern in a region beset with many other issues.
ClimateWatch: Climate Change News & Features
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.
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.
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.
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Vatican Bank debuts two Catholic-themed equity indexes
The Vatican Bank said the new indexes are "designed to serve as a reference for Catholic investments worldwide."
Jury selection begins for grief book author accused of poisoning husband
Kouri Richins allegedly poisoned her husband Eric by putting a fatal dose of fentanyl in his drink, leading to his sudden death in 2022.
Court unseals more records in Fulton County suit over FBI search
A federal court in Georgia unsealed key records related to the FBI's seizure of 2020 election materials from Fulton County last month.
What to know about a new study on coffee, tea and dementia risk
CBS News medical contributor Dr. Céline Gounder said the results of the study on coffee drinkers having lower risk of dementia should be taken "with a massive grain of salt."
Judge rejects Trump administration's effort to obtain Michigan voter data
The Trump administration has filed lawsuits against 24 states in an effort to obtain their voter rolls.
MoneyWatch
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Vatican Bank debuts two Catholic-themed equity indexes
The Vatican Bank said the new indexes are "designed to serve as a reference for Catholic investments worldwide."
Social media giants accused of "addicting the brains of children" as trial begins
Instagram's parent company Meta and Google's YouTube dispute claims that their platforms deliberately addict and harm children.
OpenAI starts testing ads in free version of ChatGPT
ChatGPT will clearly distinguish between ads and answers to user prompts on the AI platform, according to OpenAI.
Why importing more beef from Argentina won't ease costs for U.S. consumers
Taming runaway U.S. beef prices will require more than stepping up imports, economists said. Here's the key to cutting costs.
Starbucks adds menu items as it looks to energize growth
New items, such as a strawberry matcha loaf, represent the chain's latest effort to boost sales as part of its "Back to Starbucks" campaign.
Politics
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Court unseals more records in Fulton County suit over FBI search
A federal court in Georgia unsealed key records related to the FBI's seizure of 2020 election materials from Fulton County last month.
Judge rejects Trump administration's effort to obtain Michigan voter data
The Trump administration has filed lawsuits against 24 states in an effort to obtain their voter rolls.
Airlines adjust as Trump's policies dry up Cuba's jet fuel supplies
A Canadian airline suspends flights to Cuba as U.S sanctions and Trump's tariff threats force Havana to warn carriers there's no way to refuel on the island.
Sen. Susan Collins announces reelection bid, setting up key Senate contest
Republican Sen. Susan Collins announced a widely expected reelection bid on Tuesday as focus turns to the Maine Senate race, which could be among the most consequential this cycle.
Warren and Hawley team up to try to break up "Big Medicine"
Democrat Elizabeth Warren and Republican Josh Hawley don't agree on much, but they've found common ground on health care and affordability.
HealthWatch
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What to know about a new study on coffee, tea and dementia risk
CBS News medical contributor Dr. Céline Gounder said the results of the study on coffee drinkers having lower risk of dementia should be taken "with a massive grain of salt."
Thousands of mothers were flagged to police over flawed drug tests at childbirth
The Marshall Project found more than 70,000 cases referred to law enforcement over allegations of substance use during pregnancy — and that's a significant undercount.
Obamacare sign-ups drop, but the extent won't be clear for months
Experts say Affordable Care Act sign-up data won't be clear until people who were enrolled have paid — or not — their new, often much higher, premiums.
Hospital flooded by Hurricane Helene to be rebuilt in another flood plain
Ballad Health, the nation's largest state-sanctioned hospital monopoly, plans to rebuild Unicoi County Hospital in Tennessee on land that two climate modeling companies say is at risk of flooding.
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.
World
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Airlines adjust as Trump's policies dry up Cuba's jet fuel supplies
A Canadian airline suspends flights to Cuba as U.S sanctions and Trump's tariff threats force Havana to warn carriers there's no way to refuel on the island.
Ben Ogden becomes 1st U.S. man in 50 years to medal in cross-country
Ben Ogden of Team USA won the silver medal in the cross-country sprint Tuesday at the Winter Olympics in Italy.
King Charles says royals will help if police probe Andrew's Epstein ties
King Charles II says the royal family will support U.K. police as they look into a report that the monarch's brother Andrew shared secret info with Epstein.
Ukrainian Olympian's tribute to war victims barred at Winter Games
International Olympic Committee bars a Ukrainian skeleton racer from wearing a helmet showing images of fellow athletes killed in Russia's invasion.
Son of Norway's future queen accused of raping sleeping woman
Marius Borg Hoiby, Crown Princess Mette-Marit's 29-year-old son, is on trial facing 38 charges, including raping four women and assaults against ex-girlfriends.
Entertainment
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Chappell Roan leaves Wasserman talent agency after his mentions in Epstein files
Chappell Roan says she's left her talent agency after its CEO, Casey Wasserman, was named in files related to late convicted sex offender Jeffrey Epstein.
Analyzing best and worst Super Bowl LX ads
Just 30 seconds of highly coveted commercial airtime during the Super Bowl costs as much as $10 million, according to CBS News MoneyWatch. Bill Pearce, marketing faculty member at The University of California, Berkeley, joins to discuss some of the ads from Super Bowl LX.
Could Trump's Bad Bunny attacks alienate Latinos?
Bad Bunny's historic Super Bowl halftime show included superstar surprise guests and a message of unity and cultural celebration. While many praised the performance, President Trump took to social media to criticize the show. CBS News political director Fin Gómez joins with analysis.
Bad Bunny and the politics of the Super Bowl
The Super Bowl is a football game, an entertainment spectacle, a global billboard and a crucible of American political discord. CBS News chief Washington correspondent Major Garrett explains.
Catherine O'Hara's cause of death was a pulmonary embolism
Catherine O'Hara, known for her roles in "Home Alone," "Schitt's Creek" and "Beetlejuice," died on Jan. 30 at the age of 71.
Technology
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Technology
AI tech boom causes shortages
The demands of the artificial intelligence boom may be causing shortages in other sectors that help boost the U.S. economy. Shira Ovide, a technology reporter for The Washington Post, joins CBS News with more.
Social media companies face massive trial
Opening statements began in a landmark trial against Google and Meta on the apparent harms of social media platforms. CBS News' Jo Ling Kent reports.
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.
Social media giants accused of "addicting the brains of children" as trial begins
Instagram's parent company Meta and Google's YouTube dispute claims that their platforms deliberately addict and harm children.
Trial over social media addiction in kids begins
Opening statements began Monday in Los Angeles in a landmark trial over alleged social media addiction in children. CBS News correspondent Carter Evans has the details.
Science
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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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Jury selection begins for grief book author accused of poisoning husband
Kouri Richins allegedly poisoned her husband Eric by putting a fatal dose of fentanyl in his drink, leading to his sudden death in 2022.
FBI offers $50,000 in Nancy Guthrie case
The FBI is now offering a $50,000 reward in the search for Nancy Guthrie, who was reported missing on Feb. 1. CBS News' Andres Gutierrez and Anna Schecter have the latest.
Latest news on Epstein files backlash
Ghislaine Maxwell invoked the Fifth Amendment during her congressional testimony on the Jeffrey Epstein investigation. This comes as the world reacts to the latest batch of documents released by the Justice Department. CBS News' Katrina Kaufman and Holly Williams have more.
Savannah Guthrie pleads for help in new video
The search for Savannah Guthrie's mom, Nancy, continues 10 days after she went missing in Arizona. CBS News' Jonathan Vigliotti has the latest news.
Social media companies face massive trial
Opening statements began in a landmark trial against Google and Meta on the apparent harms of social media platforms. CBS News' Jo Ling Kent reports.
Space
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New space station crew eager for Wednesday launch
The new crew will replace four station fliers who returned to Earth ahead of schedule last month due to a medical issue.
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.
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
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Latest CBS News Videos
Thompson press immigration heads at hearing
Rep. Bennie Thompson, the top democrat on the House Homeland Security Committee, questioned the leaders of three immigration agencies about body cameras and training time for officers, and asked whether they have been involved in planning for guarding voting precincts. His last question comes after President Trump called on Republicans to "nationalize" elections.
McCaul questions ICE chief about Minneapolis
GOP Rep. Michael McCaul of Texas questioned acting Director Todd Lyons about the situation in Minneapolis after the fatal shootings of Renee Good and Alex Pretti. Lyons said he's "seen a deescalation" in the city after border czar Tom Homan was sent to manage the immigration operation.
Trump on 2026 midterms
The Democratic Congressional Campaign Committee announced it's targeting five additional seats in Republican-held districts ahead of the 2026 midterm elections. Meanwhile, President Trump said that Republicans "should win in a landslide." CBS News' Aaron Navarro has more.
Swalwell asks ICE chief if he will resign
Democratic Rep. Eric Swalwell of California pressed Todd Lyons on whether he would resign as the acting ICE director. "No, sir, I won't," Lyons told Swalwell. His agency has been criticized for its tactics while carrying out the Trump administration's immigration operations.
Immigration chiefs testify at House hearing
U.S. Border Control Commissioner Rodney Scott, Joseph Edlow, the director of U.S. Citizenship and Immigration Services, and acting ICE Director Todd Lyons delivered opening statements at a House hearing on Tuesday. They touted the Trump administration's immigration policies.