Sullivan says Russia could attack Ukraine "essentially at any time"
Sullivan said the U.S."cannot predict the precise day or time" Russia could decide to take military action against Ukraine.
War in Ukraine
Russian warship chases off U.S. submarine, Moscow says
The crew of the Russian ship "used appropriate means" and the U.S. submarine left at full speed, the Russian defense ministry said.
Russian false-flag plan prompts U.S. to plan for worst in Ukraine
The new granular information about Russia's plan was discussed in the Situation Room Thursday.
Biden warns Putin of "swift and severe costs" if Russia invades Ukraine
The warning from the president comes as U.S. officials say a Russian invasion could happen "at any time."
Ukrainian troops brace for possible Russian invasion
Fears are growing that Russia's war games in Belarus could soon become a reality. Imtiaz Tyab reports.
U.S. says Russian invasion of Ukraine could begin "at any time"
The Biden administration is urging Americans to leave as soon as possible, but definitely within 24 to 48 hours.
Poll: Americans say either stay out or side with Ukraine over Russia
A slight majority favor the U.S. stay out of negotiations around Russia and Ukraine.
State Department issues new advisory telling Americans to leave Ukraine
The State Department warned that the government would not be able to evacuate Americans if Russia invades.
Senate negotiations on "mother of all sanctions" bill against Russia continue as deadlines loom
But Senate Minority Leader Mitch McConnell told reporters he's "skeptical" it will deter Putin.
Russian drills with Belarus escalate Ukraine tensions
U.S. and European leaders met in Berlin to try and find a peaceful solution to end the Ukraine crisis as Russia stepped up war games in the region. Imtiaz Tyab reports.
War in Ukraine "would be a quagmire," British official says
James Cleverly, Britain's minister of state for Europe, warned that there will be a "huge loss of life" if Russia invades Ukraine.
Russia kicks off huge war games just over Ukraine's border in Belarus
But despite soaring tension and so-far fruitless diplomacy, one American in Ukraine tells CBS News he's not running scared, and nor are the Ukrainian people.
U.S. troops travel to Ukraine border to support NATO
The U.S. and Russia are building up their forces around Ukraine as the threat of war escalates. Charlie D'Agata reports.
NATO and Russia hold war games amid talks to deescalate Ukraine crisis
The U.S. and its NATO partners are still negotiating with Russia amid military buildups by both sides, but military preparations are not based on best-case scenarios.
NATO troops conduct military exercises near Russia
Both NATO and Russian forces are ramping up war games as leaders have so far failed to reach a diplomatic breakthrough to ease the standoff over Ukraine. Charlie D'Agata has the latest from Estonia, a NATO ally that shares a border with Russia.
Ukraine's military preps for potential invasion
U.S. and Ukrainian officials say up to 130,000 Russian troops are stationed along Ukraine's borders. CBS News foreign correspondent Imtiaz Tyab joins "CBS News Mornings" from Kyiv with how Ukraine's military is preparing for a potential invasion.
Amid diplomacy blitz, Russia says troops to leave Belarus after drills
Putin's forces will pull back from Ukraine's northern border, but only after exercises that will test U.S., European and Russian determination to avert all-out war in Ukraine.
Biden meets with world leaders as tensions rise over Russia
U.S. military officials are warning that Russia has amassed 70% of the combat forces it would need for a full-scale invasion of Ukraine. Meanwhile, President Biden met with the German chancellor to discuss the situation. Nancy Cordes has more.
Biden says there won't be a Nord Stream 2 if Russia invades Ukraine
German Chancellor Olaf Scholz didn't explicitly say whether Germany would terminate the pipeline being built to send gas from Russia to Europe, via Germany.
As Russia and U.S. add firepower, can a diplomacy blitz spare Ukraine?
Russian forces are set to hold war games in Belarus, with forces now just 30 miles from Ukrainian soil. But as the tension ramps up, so is the quest for a deal with Putin.
U.S. sends reinforcements to Ukraine
The U.S.'s 82nd Airborne Division touched down in Poland amid fears that Russia will launch an invasion of Ukraine. Charlie D'Agata reports.
Senior U.S. military officials in Poland
Senior U.S. military officials arrived in Poland on Saturday amid Russia's buildup of troops along Ukraine's border. Meanwhile, American troops are also in Germany and heading to the region to support NATO allies. CBS News correspondent Christina Ruffini reports from the White House and CBS News intelligence and national security reporter Olivia Gazis joins CBS News to discuss the latest.
Fears of a Russian invasion in Ukraine
Tensions have escalated as Russian forces are in their final stages to mount a full-scale invasion of Ukraine. President Biden is sending thousands of U.S. troops to Eastern Europe as a show of force as European allies continue to push for diplomacy, scheduling meetings with Russian President Vladimir Putin and Ukrainian President Zelenskyy next week. Christina Ruffini has more from the White House.
Ukrainian political analyst on Putin's threats
CBS News foreign correspondent Holly Williams reports from Kyiv, Ukraine, with the latest on the standoff with Russia. She sat down with Ukrainian political analyst Taras Berezovets to discuss why Russian leader Vladimir Putin is building up troops on the border and what his endgame may look like.
Russia's military buildup continues on Ukraine border
China publicly backed Russia in the Kremlin's standoff against the West over Ukraine. Meanwhile, Russia is amassing even more troops near the border with Ukraine ahead of a possible invasion. David Martin has the details.
World
Ilia Malinin stunned by Yuma Kagiyama in Olympic figure skating short program
Ilia Malinin was second with 98.00 and was topped by Japan's Yuma Kagiyama, who scored 108.67 points for the Olympic figure skating team event short program Saturday night.
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.
4 suspects arrested after bombing at Pakistan mosque leaves 31 dead
Friday's attack was the deadliest suicide bombing in Islamabad in nearly 20 years.
U.S. speedskater Greta Myers learned of Olympic debut hours before race
U.S. speed skater Greta Myers learned about her Olympic debut in the 3000m three hours before the race was due to begin.
Hungary's Orbán to attend inaugural meeting of Trump's "Board of Peace"
Hungarian Prime Minister Viktor Orbán attended the launch of the initiative last month in the Swiss ski resort of Davos.
Skier Eileen Gu sports a personalized, detail-studded ski suit at Olympics
Gu qualified for the women's slopestyle final wearing an outfit with details inspired by her Chinese heritage and her personal quirks.
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."
Swiss skier Franjo von Allmen wins first gold medal of Milano Cortina Games
The second gold medal of the Milano Cortina Games was awarded to Frida Karlsson of Sweden in the women's 10km+10km skiathlon.
U.S.
More U.S.
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.
Ohio man charged with threatening to kill Vance, processing child abuse files
An Ohio man has been charged with threatening to kill Vice President JD Vance while he was visiting his home state last month.
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.
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.
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.
MoneyWatch
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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.
Purported Nancy Guthrie ransom note demanded bitcoin. Could it be tracked?
Cryptocurrency transactions are often thought to be anonymous and untraceable. That's a misconception, experts tell CBS News.
Prediction markets soar ahead of the Super Bowl
Emboldened by loosened restrictions from federal regulators, prediction markets look to cash in on Super Bowl Sunday.
Politics
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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.
Appeals court endorses Trump policy of denying bond hearings to many ICE detainees
A federal appeals court on Friday endorsed the Trump administration's policy of holding broad groups of immigration detainees without access to bond hearings, a major legal victory for President Trump.
Pentagon says it's cutting ties with "woke" Harvard
The Pentagon says it will cut ties with Harvard University, ending graduate-level military training, fellowship and certificate programs.
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
More World
Ilia Malinin stunned by Yuma Kagiyama in Olympic figure skating short program
Ilia Malinin was second with 98.00 and was topped by Japan's Yuma Kagiyama, who scored 108.67 points for the Olympic figure skating team event short program Saturday night.
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.
4 suspects arrested after bombing at Pakistan mosque leaves 31 dead
Friday's attack was the deadliest suicide bombing in Islamabad in nearly 20 years.
U.S. speedskater Greta Myers learned of Olympic debut hours before race
U.S. speed skater Greta Myers learned about her Olympic debut in the 3000m three hours before the race was due to begin.
Entertainment
More Entertainment
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.
Best books for Valentine's Day
Sarah Gelman, editorial director at Amazon Books, joins "CBS Saturday Morning" to recommend some of the best books to read around Valentine's Day.
Super Bowl food that's bound to go viral
Super Bowl chefs spend an entire year developing the menu for the big game, and "CBS Saturday Morning" gets a sneak peek at some of the mouth-watering options.
Technology
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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
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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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Crime
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.
Investigators vetting Guthrie ransom note
Friday marked six days since Nancy Guthrie's apparent abduction, and Guthrie's three children have been posting on social media hoping to reach whoever may have taken her. CBS News' Andres Gutierrez reports and former FBI counterintelligence operative Eric O'Neill has more.
Mangione claims double jeopardy
Luigi Mangione had an outburst in a New York courtroom on Friday after a judge scheduled his state trial to begin before his federal case. The UnitedHealthCare CEO murder suspect claimed "this is the same trial twice" and called it "double jeopardy." CBS News' Katrina Kaufman has more.
Space
More Space
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
Winter Olympics kick off with opening cermony
The Milano Cortina Winter Olympics marked its official start on Friday with an opening ceremony that included the traditional Parade of Nations and performances from Mariah Carey and Andrea Bocelli. "CBS Saturday Morning" goes inside the event.
Three sisters chase Olympic dream
Sam, Lauren and Alli Macuga are competitive skiers across different disciplines who were hoping to represent Team USA at Milano Cortina. Lauren, who was a top contender in alpine, suffered an ACL injury in November that ended her season -- but she explains why the world hasn't seen the last of the Macuga sisters.
Best books for Valentine's Day
Sarah Gelman, editorial director at Amazon Books, joins "CBS Saturday Morning" to recommend some of the best books to read around Valentine's Day.
Super Bowl food that's bound to go viral
Super Bowl chefs spend an entire year developing the menu for the big game, and "CBS Saturday Morning" gets a sneak peek at some of the mouth-watering options.
The Dish: Noor Murad
Noor Murad's latest cookbook is a love letter to the Middle Eastern flavors she is known for using in her dishes.