What caused the 2023 Canada wildfires?
The first six weeks of Canada's 2023 wildfire season put it on track to be its most destructive in history.
Wildfire Smoke
Smoke plume from Canadian wildfires reaches Europe
As of Monday, there were 493 active Canadian wildfires that have burned more than 19 million acres of land.
Wildfire smoke blankets upper Midwest, forecast to head east
In Minnesota's Twin Cities, the AQI was the worst it had been since the state began keeping records in 1980.
Why are 2023 Canadian wildfires affecting the U.S.?
There are anomalies that help explain why smoke from 400 Canadian wildfires is causing such havoc in the United States. Climate and health scientist Vijay Limaye, of the Natural Resources Defense Council, explains why this may be a sign of things to come.
Maps, satellite images show 2023 wildfire smoke enveloping parts of U.S.
Many areas on Friday were seeing improvement from earlier in the week when they were shrouded in an orange, hazardous haze.
New York City's air quality starts to clear for first time in days
While the orange haze has seemingly moved out of New York City, many people are still at risk of experiencing health issues from the remaining pollution.
Wildfire smoke moves through Eastern U.S.
Millions of Americans spent a second day Thursday under a veil of smoke from wildfires burning in Canada. The smoke was so thick in New York City Wednesday the air quality blew well past what is considered hazardous. CBS News correspondent Christina Ruffini reports from Arlington, Virginia, where the air is now sweeping through.
D.C. gets its day in Canada's smoke
Smoke from Canadian wildfires is causing severe issues up and down the East Coast of the United States. The air quality in the nation's capital is at a very unhealthy level and it is expected to change over the course of the day. CBS News correspondent Christina Ruffini has more.
When will the wildfire smoke clear? Here's what meteorologists say
Forecasts suggest hazy skies and reduced air quality will persist across the Northeast and into the Midwest for at least a few more days.
How Canadian wildfire smoke could impact summer plans for Americans
Forecasters and heath officials have warned that U.S. air quality may plummet repeatedly in the coming months, as Canada's wildfire season continues.
Flight are disrupted due to wildfires. Here's what to know.
Poor visibility is hampering flights across East Coast for second day due to smoke from more than 100 Canadian wildfires.
Here's what to look for in an air purifier for wildfire smoke
A high-end device can cost over $1,000, but there are only a few features you really need, experts say.
Wildfire smoke costs U.S. workers more than $100 billion a year in pay
Air pollution takes an $800 billion annual toll on the U.S. economy. Wildfires — worsened by climate change — are making it worse.
Haze could hang around Northeast and beyond for days, experts warn
One cardiovascular specialist cautions that breathing the air laden with smoke from the Quebec and Nova Scotia wildfires is "probably worse than smoking a cigarette" in some places.
When will air quality improve on East Coast?
Smoke traveling down from Canadian wildfires has caused the air quality in several states to reach hazardous levels. CBS News correspondent Lilia Luciano reports on how officials are mitigating the fires, and how much longer people can expect the smoke to last. Plus, CBS News senior weather producer David Parkinson explains the science behind the sky turning orange.
New Yorkers flee indoors as Canadian wildfire smoke smothers city
Public schools barred students from going outside, while sports organizations scrapped events because of unhealthy air.
Health impacts of exercising in bad air quality
As cities in the Northeast U.S. reach and even surpass "unhealthy" levels of air pollution, officials are urging people to avoid outside activities. Here's what to know about exercising when air quality is bad.
Wildfire smokes pushes NYC to second-worst air quality worldwide
The air quality in New York City on Wednesday morning is 14.5 times the World Health Organization's annual air quality guideline value.
Injured Lindsey Vonn completes final training run ahead of Olympic race
"Just because it seems impossible to you doesn't mean it's not possible," Vonn says.
White House removes Trump post with racist footage of Obamas hours after defending it
The footage is included in a video that promotes false claims that the 2020 presidential election was rigged against Mr. Trump.
Authorities tow car from Nancy Guthrie's home after 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.
Bad Bunny lyrics to know before his Super Bowl halftime show
With Bad Bunny headlining a historic Super Bowl halftime show, we highlight some of his most impactful lyrics in Spanish and English.
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.
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.
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.
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.
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.
U.S.
More U.S.
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.
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.
Truck driver spends decades carving a scale model masterpiece of New York City
Beginning in 2004, Joe Macken carved all five boroughs of New York City out of balsa wood, every site and stadium, and every bridge and building. His creation consists of almost 1 million structures.
Heightened security from dozens of local, federal agencies ahead of Super Bowl
More than 35 local, state and federal agencies have been working for the last 18 months to prepare for Super Bowl LX in Santa Clara, California.
MoneyWatch
More MoneyWatch
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.
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.
Politics
More Politics
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.
Trump says he "didn't see" image depicting Obamas as apes in social media post
President Trump late Friday addressed a video posted to his social media account that included a racist depiction of Barack and Michelle Obama as apes, telling reporters he didn't see the part that showed the former president and first lady.
HealthWatch
More HealthWatch
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
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.
Injured Lindsey Vonn completes final training run ahead of Olympic race
"Just because it seems impossible to you doesn't mean it's not possible," Vonn says.
Entertainment
More Entertainment
Entertainment
The Barr Brothers perform "Another Tangerine"
Montreal-based brothers Andrew and Brad Barr released their debut album in 2010 and have won some of Canada's top music awards for their indie sound. Performing from their first album in eight years, "Let it Hiss," here's The Barr Brothers performing "Another Tangerine."
The Barr Brothers perform "Naturally"
Montreal-based brothers Andrew and Brad Barr released their debut album in 2010 and have won some of Canada's top music awards for their indie sound. Performing from their first album in eight years, "Let it Hiss," here's The Barr Brothers performing "Naturally."
The Barr Brothers perform "Run Right Into It"
Montreal-based brothers Andrew and Brad Barr released their debut album in 2010 and have won some of Canada's top music awards for their indie sound. Performing from their first album in eight years, "Let it Hiss," here's The Barr Brothers performing "Run Right Into It."
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.
Bad Bunny lyrics to know before his Super Bowl halftime show
With Bad Bunny headlining a historic Super Bowl halftime show, we highlight some of his most impactful lyrics in Spanish and English.
Technology
More Technology
Super Bowl fans warned to keep drones at home with flights banned over big game
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
More Crime
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 after 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
More Latest Galleries
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
The Barr Brothers perform "Another Tangerine"
Montreal-based brothers Andrew and Brad Barr released their debut album in 2010 and have won some of Canada's top music awards for their indie sound. Performing from their first album in eight years, "Let it Hiss," here's The Barr Brothers performing "Another Tangerine."
The Barr Brothers perform "Naturally"
Montreal-based brothers Andrew and Brad Barr released their debut album in 2010 and have won some of Canada's top music awards for their indie sound. Performing from their first album in eight years, "Let it Hiss," here's The Barr Brothers performing "Naturally."
The Barr Brothers perform "Run Right Into It"
Montreal-based brothers Andrew and Brad Barr released their debut album in 2010 and have won some of Canada's top music awards for their indie sound. Performing from their first album in eight years, "Let it Hiss," here's The Barr Brothers performing "Run Right Into It."
How drones impact Super Bowl security
While drones give Super Bowl viewers some of the coolest shots of the game, they also impact security. "CBS Saturday Morning" explores how.
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.