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.
Arctic
Canadian amb.: U.S.-Canada deal "not doomed"
Kirsten Hillman, Canada's ambassador in D.C., told CBS News the U.S. and Canada are "not in the middle of a divorce, but we are in the middle of a change." She also said Canada is "deeply committed to Arctic defense."
Trump aims for 2-week timeline on Greenland deal
On his way back from the World Economic Forum, President Trump set a two-week timeline for a deal on Greenland. Kenneth Rosen, award-winning war correspondent and author of "Polar War," joins with analysis.
Canadian ambassador to U.S. on Arctic defense
President Trump has revoked his invitation for Canada to join his newly founded Board of Peace. This comes alongside a war of words with his Canadian counterpart, Mark Carney. CBS News chief foreign affairs correspondent and "Face the Nation" moderator Margaret Brennan spoke with Canadian Ambassador to the U.S. Kirsten Hillman about the issue.
Lake effect snow sweeps Eastern U.S.
The Eastern U.S. was dealing with lake effect snow over the weekend as Arctic air is expected to bring frigid temperatures to much of the country this week. Rob Marciano reports.
Maps show why Greenland is so important as the Arctic warms
As the Earth warms, new shipping routes from one side of the globe to the other are opening around Greenland, making the vast island a strategic priority for superpowers.
White House discussing options for Greenland
The White House is discussing options for acquiring Greenland, including a U.S. military takeover by force. CBS News senior White House and political correspondent Ed O'Keefe has the latest.
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.
China has "unprecedented number" of ships in U.S. Arctic waters, DHS says
The Department of Homeland Security says this year has seen an "unprecedented" presence of Chinese military and research vessels in the U.S. Arctic region.
Reindeer populations could drop by up to 80% by 2100, researchers say
Reindeer populations across the Arctic will likely decline due to future climate change with the North American population facing the highest risk, researchers predict.
China research ships ramping up activity in U.S. Arctic, Coast Guard says
The U.S. Coast Guard reports an increase in activity by Chinese research vessels in and around the U.S. Arctic.
Record-breaking arctic chill moving across U.S.
A massive arctic chill is moving over much of the country, bringing bone-chilling cold and snow. More than 67 million Americans are under winter weather alerts. David Begnaud reports and CBS News climate and weather contributor Jeff Berardelli shows the forecast.
Manchin warns of Russian aggression in the Arctic
Sen. Joe Manchin, D-West Virginia, joins moderator Margaret Brennan to discuss his recent trip to the Arctic amid U.S. intelligence reports that Russia is conducting secret nuclear weapon tests there.
Why ice loss in the Arctic is threatening polar bear populations
After a summer of fasting on land, the bears need to get back to their frozen home to hunt seals and bulk up. But their migration ritual is changing.
U.S., Canadian jets scrambled as Russian warplanes spotted in the Arctic
Several hours later, NORAD said it also scrambled two F-16 fighter jets from Alaska to Greenland.
Arctic tundra becoming a source of carbon dioxide emissions, NOAA warns
The Arctic tundra has historically helped reduce global emissions. But rising temperatures and wildfires in the region are changing that, scientists say.
NASA shows off image of U.S. military's abandoned "city under the ice"
Scientists now have a clearer picture of Camp Century, an abandoned U.S. military base long hidden under the ice in Greenland, thanks to a NASA research team's good luck.
Fossils in Greenland ice sheet reveal increased risk of sea level rise
New research about Greenland's ice sheet could provide a warning of what's to come as the planet continues to warm.
Russia and China push back against U.S. warnings over Arctic activity
The U.S. says climate change is helping Russia and China boost activity in the Arctic. Moscow and Beijing insist there's no cause for alarm.
Russia says its fighter jets intercepted U.S. bombers in the Arctic
"The crews of the Russian fighters identified the aerial target as a pair of U.S. Air Force B-52H strategic bombers," Moscow's defense ministry wrote.
Canada to quadruple sub fleet as NATO, Russia and China eye the Arctic
Canada plans to buy 12 new submarines as the U.S. and its allies and adversaries step up operations in the thawing Arctic.
Could the Arctic be ice-free within a decade?
Could the Arctic be ice-free within a decade? Here's what the latest science says – and how the loss of all that ice could lead to the next global conflict.
Could the Arctic be ice-free within a decade? What the latest science says
Researchers predict that the first ice-free day will take place sometime between the 2020s and 2030s.
POV: A day in the life of a polar bear
Equipped with a video camera collar, this polar bear in Manitoba, Canada, reveals what a day in its life looks like as the Arctic sea ice it heavily relies on continues to melt and impacts its feeding, swimming and other activities.
What temperatures are too cold for your pets? Experts weigh in.
"If you're bundled up, and you find that it's too cold and you can't handle it any longer, your dog probably can't either," one veterinarian said.
New ICE memo gives deportation officers more leeway to conduct warrantless arrests
The memo suggests the rules are designed to give ICE greater flexibility to quickly arrest unauthorized immigrants who are not the original targets of an operation.
Judge orders 5-year-old Liam Conejo Ramos and dad to be released from ICE detention
A federal judge in Texas on Saturday ordered 5-year-old Liam Conejo Ramos and his father to be released from immigration detention.
Exclusive
Immigrant pursued by federal agents before Alex Pretti's killing speaks out
"I was there. I saw everything," Jose Huerta Chuma, who remains in hiding, told CBS News.
Massive release of Epstein files includes 3 million documents and photos
The Justice Department released more new documents Friday from the Jeffrey Epstein files, more than a month after the DOJ's original deadline to do so.
Partial government shutdown begins as funding lapses despite Senate deal
The Senate passed a deal on a package of spending bills late Friday, sending it to the House, though funding for dozens of government agencies has still lapsed.
Officials in Minnesota allege Bovino used language offensive to Jews on conference call
Top Border Patrol official Gregory Bovino allegedly used language offensive to Jewish federal officials on a recent call, sources said.
Powerful storm hits an East Coast still buried under last week's snow
Blizzardlike conditions stemming from a "bomb cyclone" brought heavy snow to the Southeast and ushered in frigid temperatures to much of the East Coast.
Carlos Alcaraz beats Novak Djokovic at Australian Open to complete career Grand Slam
At 22 years and 272 days, Carlos Alcaraz is the youngest man to complete a set of all four major singles titles.
Explosion in Iranian port city ahead of Iran's naval drill in the Strait of Hormuz
The blast happened a day before a planned naval drill by Iran in the Strait of Hormuz, the narrow mouth of the Persian Gulf through which a fifth of all oil traded passes.
U.S.
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The Grammy Awards are tonight. Here's how to watch live and what to know.
Music's biggest night returns Sunday with the 68th annual Grammy Awards. Here is how to watch and stream and what to know.
Democrat Christian Menefee wins special election for U.S. House in Texas
Democrat Christian Menefee won a Texas U.S. House seat in a special election Saturday that will narrow Republicans' already-slim majority.
Virginia woman was strangled with her child sleeping nearby, authorities say
Ten days before investigators say Katlyn Lyon Montgomery, 28, was strangled in her sleep in the Virginia apartment she shared with her 4-year-old daughter and a new roommate, she had broken up with Trenton Frye, a North Carolina man she met online months before.
Firefighter accused of staging a house fire to cover up a murder
It was Thanksgiving Eve 2020, and Melissa Lamesch was excited about the upcoming birth of her first child. Investigators would learn there was someone who was not as enthused — the expectant father, firefighter Matthew Plote.
Officials in Minnesota allege Bovino used language offensive to Jews on conference call
Top Border Patrol official Gregory Bovino allegedly used language offensive to Jewish federal officials on a recent call, sources said.
MoneyWatch
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Trump nominates government economist to lead Bureau of Labor Statistics
President Trump says he is nominating the government economist Brett Matsumoto to lead the Bureau of Labor Statistics.
3 key questions for investors about Fed Chair nominee Kevin Warsh
Kevin Warsh, a former Fed governor, is in line to replace Fed Chair Jerome Powell in May. Here's what Wall Street wants to know.
Patients are being hit with this surprise fee just for seeing their doc
One patient reports getting stuck with a $2,418 "facility fee" after seeing her doctor. "I didn't even know such a thing existed," she said.
A new $45 fee for travelers without Real IDs goes into effect Feb. 1
Passengers without Real IDs can still fly if they pay a $45 fee, which covers the cost of additional identity verification screening.
Saks to shutter most Saks Off 5th stores as bankrupt retailer cuts costs
Saks, which declared bankruptcy on Jan. 14, is set to hold going-out-of-business sales as it closes dozens of retail outlets.
Politics
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Democrat Christian Menefee wins special election for U.S. House in Texas
Democrat Christian Menefee won a Texas U.S. House seat in a special election Saturday that will narrow Republicans' already-slim majority.
Explosion in Iranian port city ahead of Iran's naval drill in the Strait of Hormuz
The blast happened a day before a planned naval drill by Iran in the Strait of Hormuz, the narrow mouth of the Persian Gulf through which a fifth of all oil traded passes.
Officials in Minnesota allege Bovino used language offensive to Jews on conference call
Top Border Patrol official Gregory Bovino allegedly used language offensive to Jewish federal officials on a recent call, sources said.
Proposed Venezuelan bill could lead to release of hundreds of political prisoners
The U.S. Embassy for Venezuela also announced Friday that all American citizens detained in Venezuela have been released.
Federal judge denies Minnesota's request to temporarily halt Operation Metro Surge
Federal judge Kate Menendez denied Minnesota's motion for a temporary restraining order to halt "Operation Metro Surge" on Saturday. The court documents, filed on Saturday, state that Minnesota, Minneapolis, and St. Paul have not met their burden of proof.
HealthWatch
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Book excerpt: "The Let Them Theory" by Mel Robbins
In her latest bestseller, the motivational speaker discusses how personal growth is only possible when you stop pouring energy into things you cannot control – which includes changing other people.
A cop thought he had a muscle cramp. He ended up fighting for his life.
Sgt. Chris Johnson was told that his heart condition had nearly been "instantly fatal." Rapid medical care and rigorous therapy helped him recover.
Patients are being hit with this surprise fee just for seeing their doc
One patient reports getting stuck with a $2,418 "facility fee" after seeing her doctor. "I didn't even know such a thing existed," she said.
Carter Center reaches major milestone in quest to eradicate Guinea worm
Jimmy Carter made eradicating the Guinea worm a top mission of The Carter Center. Now it could soon become the second disease eradicated in history.
Life expectancy in U.S. hit record high of 79 years in 2024, CDC says
U.S. life expectancy rose to 79 years in 2024 - the highest mark in American history. But the U.S. still ranks below dozens of other countries.
World
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Carlos Alcaraz beats Novak Djokovic at Australian Open to complete career Grand Slam
At 22 years and 272 days, Carlos Alcaraz is the youngest man to complete a set of all four major singles titles.
Explosion in Iranian port city ahead of Iran's naval drill in the Strait of Hormuz
The blast happened a day before a planned naval drill by Iran in the Strait of Hormuz, the narrow mouth of the Persian Gulf through which a fifth of all oil traded passes.
Proposed Venezuelan bill could lead to release of hundreds of political prisoners
The U.S. Embassy for Venezuela also announced Friday that all American citizens detained in Venezuela have been released.
Satellite photos show activity at Iran nuclear sites as protest tensions rise
The images from Planet Labs PBC show that roofs have been built over two damaged buildings at the Isfahan and Natanz facilities.
Danish veterans protest outside U.S. Embassy over Greenland
Danish veterans are furious at the White House's rhetoric, which disregards Greenland's right to self-determination, a territory of NATO ally Denmark.
Entertainment
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The Grammy Awards are tonight. Here's how to watch live and what to know.
Music's biggest night returns Sunday with the 68th annual Grammy Awards. Here is how to watch and stream and what to know.
Recovered treasure leads to a Grammy nomination
Archivist and music historian Alex Palao worked to restore old tapes by "Sly and Family Stone" that gathered dust for decades. He co-produced the live album called "The First Family: Live at the Winchester Cathedral 1967." He is now nominated for "Best Album Notes" at Sunday's Grammy Awards. CBS News San Francisco's Max Darrow has the story.
"Sanford and Son" star Demond Wilson dies at 79
Actor Demond Wilson died in his California home due to complications from prostate cancer, CBS News learned on Saturday. He starred alongside Redd Foxx in "Sanford and Son," one of the biggest TV hits of the 1970s.
Demond Wilson, "Sanford and Son" and "The New Odd Couple" actor, dies at 79
In 1971, Demond Wilson appeared on an episode of "All in the Family," a role that led him to land a lead part in "Sanford and Son."
Courtney Marie Andrews performs "Everyone Wants To Feel Like You Do"
Courtney Marie Andrews started writing songs as a teenager and played in punk bands before starting out on her own. Since then, she has been nominated for a Grammy and become known for her vulnerable lyrics and dazzling voice. Now, from her new album "Valentine," here is Courtney Marie Andrews with "Everyone Wants To Feel Like You Do."
Technology
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Uber looks to cash in on self-driving cars — but not by driving them
The rideshare company is getting into the business of providing real-world driving data to autonomous vehicle developers. Here's why.
New AI features for Gmail users
This month, Google launched a suite of new features for Gmail. Google's AI assistant, Gemini, can now filter through junk, summarize an inbox and even help users write emails. Blake Barnes, Gmail vice president of product, joins CBS News to discuss.
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.
Analysts say Starlink may have guided Russian drones into a Ukrainian train
As Ukraine accuses Russia of terrorism with a deadly strike on a train, some defense analysts believe Elon Musk's Starlink may have guided the killer drones.
TikTok's new privacy policy is sparking a backlash. Here's what to know.
Some TikTok users are raising questions about the app's new terms and conditions after the social media platform's split from its China-based parent.
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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Virginia woman was strangled with her child sleeping nearby, authorities say
Ten days before investigators say Katlyn Lyon Montgomery, 28, was strangled in her sleep in the Virginia apartment she shared with her 4-year-old daughter and a new roommate, she had broken up with Trenton Frye, a North Carolina man she met online months before.
Firefighter accused of staging a house fire to cover up a murder
It was Thanksgiving Eve 2020, and Melissa Lamesch was excited about the upcoming birth of her first child. Investigators would learn there was someone who was not as enthused — the expectant father, firefighter Matthew Plote.
Judge rules out death penalty for Mangione
A judge declared that Luigi Mangione will not face the death penalty if convicted on federal charges in the 2024 killing of United HealthCare CEO Brian Thompson. It's a big win for Mangione, though he still faces the possibility of life in prison.
Virginia woman strangled days after dumping her deceptive boyfriend
The prosecutor said Katlyn Lyon Montgomery's ex-boyfriend dressed as a "ninja" to sneak up on her while asleep in her Virginia apartment.
Why judge dropped 2 charges against Mangione
Luigi Mangione, the accused killer of UnitedHealthcare CEO Brian Thompson, will not face the death penalty after a judge on Friday dismissed two counts that could have carried a death sentence. CBS News legal contributor Caroline Polisi joins to take a look at the new ruling and what it means for the high-profile murder case.
Space
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Space
NASA's Artemis II slated to be a series of firsts
Extreme cold has forced NASA to reschedule its next moon mission. On Saturday, the massive Artemis II rocket stands on launch pad 39B at the Kennedy Space Center. Like Apollo 8 in 1968, it won't land on the lunar surface. Mark Strassmann has more on why the latest mission is considered groundbreaking.
NASA delays Artemis mission to moon due to cold weather
The first Artemis moonshot with a crew is now targeted for no earlier than Feb. 8, two days later than planned.
Artemis II crew undergoes intense training for rare moon mission
For months, the Artemis II crew and flight controllers have been simulating malfunctions to prepare for their upcoming trip around the Moon.
Inside Artemis II astronauts' training
NASA is preparing for its first crewed mission around the moon in more than 50 years. The Artemis II astronauts include three Americans and one Canadian on a 10-day flight. Mark Strassmann got a look at how they're training.
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.
Latest Galleries
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Notable Deaths in 2025
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
The Sneak Attack on Katlyn Lyon
A mother goes viral on TikTok demanding justice for her murdered daughter. "48 Hours" correspondent Erin Moriarty reports.
Recovered treasure leads to a Grammy nomination
Archivist and music historian Alex Palao worked to restore old tapes by "Sly and Family Stone" that gathered dust for decades. He co-produced the live album called "The First Family: Live at the Winchester Cathedral 1967." He is now nominated for "Best Album Notes" at Sunday's Grammy Awards. CBS News San Francisco's Max Darrow has the story.
"Sanford and Son" star Demond Wilson dies at 79
Actor Demond Wilson died in his California home due to complications from prostate cancer, CBS News learned on Saturday. He starred alongside Redd Foxx in "Sanford and Son," one of the biggest TV hits of the 1970s.
NASA's Artemis II slated to be a series of firsts
Extreme cold has forced NASA to reschedule its next moon mission. On Saturday, the massive Artemis II rocket stands on launch pad 39B at the Kennedy Space Center. Like Apollo 8 in 1968, it won't land on the lunar surface. Mark Strassmann has more on why the latest mission is considered groundbreaking.
The Firefighter's Secret
A young woman is found dead in her burning home. She'd been involved with a firefighter — could he have set a fire to cover her murder? "48 Hours" contributor Nikki Battiste reports.