2023 is officially the hottest year ever recorded, scientists say
After record-breaking temperatures in November, the E.U.'s Copernicus Climate Change Service determined 2023 will officially be the hottest year humanity has experienced.
ClimateWatch: Climate Change News & Features
Artificial or real? Here's how to pick a sustainable Christmas tree
Is a real Christmas tree or a fake tree better for the planet? An expert weighs in on your greenest option.
Ancient methane escaping from melting glaciers could warm the planet more
Spiking temperatures in the Arctic are rapidly melting glaciers. Scientists are now worried about underground methane, a potent greenhouse gas, leaking up to the surface.
Cars swept away, Chennai airport flooded as cyclone churns toward India
Videos from Chennai, South India, show cars being carried off and airport workers checking planes in almost knee-deep water as Cyclone Michaung bears down.
COP28 president Sultan al-Jaber draws fire over fossil fuel remarks
Dr. Sultan al-Jaber, president of the COP28 climate conference and CEO of a major oil company, says he's "quite surprised" by what he calls "attempts to undermine" his work.
Inside the fight against methane gas amid milestone pledges at COP28
Methane is an invisible gas that is rapidly heating up the atmosphere.
COP28 climate summit: Who's going, who's not, and will it matter?
The global U.N. climate summit known as COP28 is now underway in Dubai. Here's what to know — and why it matters.
Alaska bald eagle preserve threatened by copper mine project, critics say
Up to 4,000 bald eagles migrate to the Alaska Chilkat Bald Eagle Preserve annually, but environmentalists worry a potential copper mine will destroy their food source.
Source of 1.1 million gallons of oil spilled into Gulf of Mexico remains mystery
Officials have yet to find the source of the oil spill, which has left chunky globules and long slicks near a 67-mile-long pipeline system off the coast of Louisiana.
Used tires could help expand market for electric vehicle batteries
As demand for electric vehicles continues to grow, one startup company in Chile is looking to recycle old tires to help make them more sustainable.
UAE sought to use role in climate summit to make oil deals, BBC reports
The host of the upcoming COP28 climate summit, the United Arab Emirates, planned to use its role as an opportunity to try to make oil and gas deals with other countries, BBC News reported.
Lightning strikes kill 24 in India amid unusually heavy rain storms
Unseasonably heavy rain storms slammed India's western state of Gujarat, packing lightning blamed for the deaths of 24 people and 3 buffalo.
World's richest 1% emit as much carbon as 5 billion people, report says
A new report found that a "polluter elite" is responsible for producing as much carbon emissions as 5 billion people.
These squirrels are latest species to become endangered in Washington state
There are just three western gray squirrel populations left in Washington state as more frequent and intense wildfires continue to decimate their habitats, officials said.
Key takeaways from Biden's Fifth National Climate Assessment
Every region in the U.S. is experiencing increasingly harmful effects of climate change, a new report says — but it also outlines a path forward.
"Out of control" fires ravage Brazil's wildlife-rich Pantanal wetlands
"The Pantanal is a region that's used to fires," explains one biologist, "but this many fires isn't normal."
Kentucky under state of emergency as dozens of wildfires rage
Firefighters are battling more than 30 active fires across Kentucky as officials warn the ongoing drought "has made controlling wildfires more difficult."
2023 "virtually certain" to be warmest year recorded, climate agency says
Average temperatures across Earth in 2023 have been dangerously close to the 1.5 degree Celsius warming threshold scientists have long warned would bring significant challenges to people worldwide.
Hotter days may increase cheetah conflicts with other big cats, study says
On the hottest days, cheetahs became more nocturnal — increasing their overlapping hunting hours with rival big cats by 16%, the study found.
North Greenland has lost 35% of its ice shelves, study says
The Greenland ice sheet is the second-largest contributor to sea level rise, and as temperatures rise, glaciers in the northern parts of the region are becoming "extremely vulnerable."
Climate tech startup designs new method to reduce clothing waste
Circ has found a solution to the clothing industry's substantial environmental waste and pollution, by separating and recycling cotton-polyester blend clothing.
Why did Hurricane Otis get so strong, so fast?
Hurricane Otis plowed into Mexico's Pacific coast as a deadly Category 5. Just 12 hours earlier, it was a tropical storm.
Scientists discover ancient landscape "frozen in time" under Antarctic ice
"No one's laid eyes on it," the lead author of the study said. "What is exciting is that it's been hiding there in plain sight."
Winter outlook: Wetter South, warmer North and "potential climate extremes"
The oncoming El Niño winter is forecast to bring warmer and drier weather to the northern U.S. and more precipitation than usual to southern states.
150 dolphins die in Amazon lake within a week as water temps soar
Nearly two dozen of the dolphins that were found dead are an endangered species known as "the guardians of rivers."
Science
Science
NASA strives to save doomed telescope
NASA is in a race against time as the Swift Observatory telescope in orbit sinks closer to Earth. CBS News consultant William Harwood explains the $30 million salvage operation.
Fossil found in drawer turns out to be first dinosaur bone from Antarctica
Dinosaur fossils are rare to find in Antarctica because of the unforgiving ice caps. But millions of years ago, the region was populated by lush forests.
NASA prepares to launch rescue to save telescope from falling to Earth
The $30 million salvage operation gets underway as soon as this week with the planned launch of a robotic lifesaver.
Astronomers find 2 gigantic planets lighter than cotton candy
The featherweight pair — orbiting a star 1,110 light-years away — are the biggest exoplanets found to have less density than cotton candy.
Ancient Egyptian burial site reveals centuries of changing traditions
Human and animal remains unearthed in Egypt's Nile Delta reveal changing funerary practices over some 600 years, and the evolution of a key site itself.
Telescope snaps most detailed photo yet of Milky Way's heart
Euclid is on a mission to chart one-third of the sky in the hopes of shedding light on the enduring mysteries of dark matter and dark energy.
Interstellar comet may be oldest object ever seen in solar system
Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.
Seahorses and seadragons, some of Nature's most curious creatures
Seahorses are unique ocean inhabitants with a head like a horse, a pouch like a kangaroo, a tail like a monkey, and the ability to camouflage themselves like a chameleon. They also exhibit an unconventional gender dynamic, in that the males do the work of carrying around fertilized eggs. Correspondent Conor Knighton goes in search of these fascinating fish – and their equally fascinating cousins, seadragons – at the Birch Aquarium at the Scripps Institution of Oceanography in California.
Watch: Pentagon releases 6 new UFO videos
The Defense Department released a third batch of UFO files on Friday, three weeks after its second drop. These are all of the videos in the latest tranche, plus analysis from astrophysicist Avi Loeb.
Goblin shark seen alive in natural deep-sea habitat for the first time
The goblin shark had only previously been seen when caught by fishermen and they died shortly afterward.
World's largest whale graveyard found by sub at bottom of ocean
The researchers saw many strange animals — many believed to be new to science — living off the whale carcasses.
NASA names 4 astronauts for next Artemis mission
NASA's Artemis III astronauts plan to carry out rendezvous and docking procedures with commercial moon landers being built by SpaceX and Blue Origin.
Great white shark captured on video in Mediterranean in rare sighting
Great white sharks are classified as "critically endangered" in the Mediterranean Sea, and underwater sightings are incredibly rare.
El Niño could bring more widespread coral bleaching, NOAA warns
The expected arrival of El Niño this summer could trigger another mass coral bleaching event, which would be the fifth on record, researchers said.
Scientists find yeast in frozen mummy's guts, use it to make bread
More than 5,300 years ago, Oetzi the Iceman was strolling through the Alps on the border of Austria and Italy when he was killed by an arrow in the back.
U.S.
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FBI investigating legitimacy of Nancy Guthrie ransom notes
The FBI said in a statement Wednesday that some ransom notes in Nancy Guthrie's disappearance have been "deemed to be extortion attempts without legitimacy," and other "demands may potentially be legitimate and are still being investigated as such."
U.S. takes down Bosnia 2-0 for second-ever World Cup knockout round win
Folarin Balogun got the scoring going with a goal in the 45th minute, but was sent off with a controversial red card in the 64th minute.
EMS was called to Mitch McConnell's home for "unconscious" patient last month
On the same morning Sen. Mitch McConnell was hospitalized last month, EMS personnel went to his home to respond to an unconscious person who appeared to experience "cardiac arrest," according to a dispatch call.
Couples are spending thousands more on weddings. Here's why.
Tariffs, inflation and changing consumer habits are reshaping how much Americans spend to tie the knot.
What is the "buy, borrow, die" tax strategy Gavin Newsom wants to ban?
As a proposed billionaire tax in California moves forward, Gov. Newsom says other approaches are needed, including closing a tax loophole used by the ultra-rich.
MoneyWatch
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Couples are spending thousands more on weddings. Here's why.
Tariffs, inflation and changing consumer habits are reshaping how much Americans spend to tie the knot.
What is the "buy, borrow, die" tax strategy Gavin Newsom wants to ban?
As a proposed billionaire tax in California moves forward, Gov. Newsom says other approaches are needed, including closing a tax loophole used by the ultra-rich.
U.S. says it won't extend key trade deal with Canada and Mexico
The United States-Mexico-Canada Agreement will remain in effect until it expires in 2036, unless the countries strike another deal to extend it.
Sony to stop making physical discs for PlayStation starting in 2028
After January 2028, new games will be available exclusively in digital format from the PlayStation Store and at retailers, Sony said.
Anthropic says Trump admin. lifted restrictions on powerful Claude AI models
Artificial intelligence giant Anthropic says the federal government lifted a set of restrictions on its powerful Claude Fable 5 and Mythos 5 models, resolving a weekslong dispute.
Politics
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EMS was called to Mitch McConnell's home for "unconscious" patient last month
On the same morning Sen. Mitch McConnell was hospitalized last month, EMS personnel went to his home to respond to an unconscious person who appeared to experience "cardiac arrest," according to a dispatch call.
NCAA chief: No plan to change rules on transgender athletes after SCOTUS ruling
NCAA President Charlie Baker told CBS News he doesn't think the group will need to change its rules on transgender athletes in light of a Supreme Court ruling that allowed states to ban their participation.
About 2,000 U.S. troops supporting relief efforts after Venezuela earthquakes
Almost 60,000 buildings may have been damaged or destroyed in Venezuela after two powerful earthquakes last week, according to a NASA satellite assessment.
One NYC neighborhood has dozens of adult daycares. Now the feds have questions.
Investigations are underway into possible fraudulent activity at some of these kinds of facilities across New York, CBS News has learned.
Former CIA Director John Brennan sues DOJ, Trump officials over criminal probes
Brennan is seeking a court order to force the preservation of records in the investigations targeting him. His attorneys say he's being "vindictively singled out for investigation."
HealthWatch
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Actor Danny Glover reveals Alzheimer's diagnosis
Actor Danny Glover spoke about his Alzheimer's diagnosis in an interview with NBC's "Today" show, revealing that he has been living with the disease for several years.
Medicare to help pay for some GLP-1 drugs
Starting Wednesday, Medicare will help pay for some GLP-1 medications for weight loss. CBS News medical correspondent Dr. Celine Gounder explains what this means for patients.
New disease threats follow Trump administration's health program cuts
From screwworm to flesh-eating bacteria, mounting public health risks are emerging in the wake of deep cuts to federal health agencies and programs.
What is the viral trend looksmaxxing?
Looksmaxxing is a viral and controversial trend that encourages young men to maximize their appearance. Adam Yamaguchi shows why it's resonating with some people.
He dreamed of becoming a physician assistant. New loan rules may thwart him.
Starting July 1, the government will cap what graduate students may borrow in federal loans, forcing many toward private lenders with higher interest rates.
World
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U.S. takes down Bosnia 2-0 for second-ever World Cup knockout round win
Folarin Balogun got the scoring going with a goal in the 45th minute, but was sent off with a controversial red card in the 64th minute.
About 2,000 U.S. troops supporting relief efforts after Venezuela earthquakes
Almost 60,000 buildings may have been damaged or destroyed in Venezuela after two powerful earthquakes last week, according to a NASA satellite assessment.
U.S. helicopter goes down in Arabian Sea, crew member missing, Navy says
The helicopter, which was assigned to the USS George H.W. Bush, is not believed to have been taken down by hostile action, the Navy said.
Dog pulled from rubble 5 days after Venezuela quakes, video shows
Dramatic video showed the moment a rescue team pulled a small dog from the rubble nearly a week after twin earthquakes devastated Venezuela.
How Iran could try to control the Strait of Hormuz — and profit from it
Some experts say the Strait of Hormuz will not return to its pre-war state, so what could the future of this vital shipping lane look like?
Entertainment
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Entertainment
CBS News journalists on Swift-Kelce wedding
Rumors are swirling about Taylor Swift and Travis Kelce tying the knot at Madison Square Garden. CBS News' Olivia Rinaldi and Gabrielle Ake, self-described Swifties, join "The Takeout" with the latest.
What we know about rumored Swift-Kelce wedding
Taylor Swift and Travis Kelce's wedding festivities are expected to begin Thursday, sources said. Crews have been spotted at Madison Square Garden in New York City unloading equipment ahead of the July Fourth weekend. Here's what we know so far.
Swift-Kelce wedding events taking shape
Taylor Swift and Travis Kelce's wedding events are set to begin in New York City, sources say. CBS News' Jo Ling Kent has the latest.
Sophia Bush, Jerry O'Connell on new comedy
Sophia Bush and Jerry O'Connell join CBS News 24/7 Mornings to discuss their new comedy, "Summer's Last Resort," which premieres on Tubi July 3.
Stars talk "Summer's Last Resort" comedy
Sophia Bush and Jerry O'Connell talk to "CBS Mornings" about starring in the coming-of-age comedy "Summer's Last Resort." Bush discusses what drew her to the project and says there was "never a dull day on set," while O'Connell reveals what his daughters thought about the film.
Technology
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Technology
Why U.S. initially restricted Anthropic AI models
The Trump administration has lifted export restrictions on Anthropic's most advanced artificial intelligence models, Fable and Mythos, after weeks of negotiations over national security concerns. CNET Editor-in-Chief David Katzmaier joins to discuss.
White House lifted AI limits, Anthropic says
Tech giant Anthropic says that the federal government has now removed restrictions from its robust Claude Fable 5 and Mythos 5 models. Axios reporter Madison Mills has more on artificial intelligence regulation.
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.
Sony to stop making physical discs for PlayStation starting in 2028
After January 2028, new games will be available exclusively in digital format from the PlayStation Store and at retailers, Sony said.
Consumers need protection from AI agents, lawmaker says
Sen. Mark Warner wants to create a federal registry of trusted AI agents and ensure autonomous bots operate like fiduciaries.
Science
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Science
NASA strives to save doomed telescope
NASA is in a race against time as the Swift Observatory telescope in orbit sinks closer to Earth. CBS News consultant William Harwood explains the $30 million salvage operation.
Fossil found in drawer turns out to be first dinosaur bone from Antarctica
Dinosaur fossils are rare to find in Antarctica because of the unforgiving ice caps. But millions of years ago, the region was populated by lush forests.
NASA prepares to launch rescue to save telescope from falling to Earth
The $30 million salvage operation gets underway as soon as this week with the planned launch of a robotic lifesaver.
Astronomers find 2 gigantic planets lighter than cotton candy
The featherweight pair — orbiting a star 1,110 light-years away — are the biggest exoplanets found to have less density than cotton candy.
Ancient Egyptian burial site reveals centuries of changing traditions
Human and animal remains unearthed in Egypt's Nile Delta reveal changing funerary practices over some 600 years, and the evolution of a key site itself.
Crime
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FBI investigating legitimacy of Nancy Guthrie ransom notes
The FBI said in a statement Wednesday that some ransom notes in Nancy Guthrie's disappearance have been "deemed to be extortion attempts without legitimacy," and other "demands may potentially be legitimate and are still being investigated as such."
NYC building climbers engaged, under arrest
Two people in black masks scaled the Empire State Building, scrambling the New York City Police Department. They call themselves "roof-toppers," or stunt climbers, and they unfurled a banner about world peace before one of them got out a ring and proposed. By the time they got down, they were engaged and under arrest. Tom Hanson reports.
More than 1,000 cases under review after Broadview Six misconduct revelations
More than 1,000 grand jury presentations are under review after charges were dismissed in the "Broadview Six" case due to grand jury abuses and prosecutorial misconduct, Chicago's top federal prosecutor said.
Potential charges for Empire State Building climbers
Two people climbed to the top of the Empire State Building Wednesday and unfurled a banner before seemingly getting engaged. CBS News law enforcement contributor Rodney Harrison has more on what repercussions the couple could face.
Couple climbs Empire State Building: Details
Two people climbed to the top of the Empire State Building in New York City on Wednesday, unfurling a banner and appearing to get engaged. CBS News' Tom Hanson and Shanelle Kaul have more.
Space
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NASA astronauts operate on space station's broken robot arm
The orbital surgery on the International Space Station returned the Canadian-built robot arm to full health after its "wrist" joint failed last month.
NASA prepares to launch rescue to save telescope from falling to Earth
The $30 million salvage operation gets underway as soon as this week with the planned launch of a robotic lifesaver.
Astronomers find 2 gigantic planets lighter than cotton candy
The featherweight pair — orbiting a star 1,110 light-years away — are the biggest exoplanets found to have less density than cotton candy.
Telescope snaps most detailed photo yet of Milky Way's heart
Euclid is on a mission to chart one-third of the sky in the hopes of shedding light on the enduring mysteries of dark matter and dark energy.
Interstellar comet may be oldest object ever seen in solar system
Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.
Latest Galleries
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Celebrations at Obama Presidential Center
The Obama Presidential Center, museum and library opens in Chicago with a star-studded grand opening ceremony and public watch party on Midway Plaisance.
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.
Summer music highlights of 2026
Summer is the time to enjoy live music, indoors and out. Scroll through our gallery of some of 2026's leading musical acts, featuring images by CBS News photojournalist Jake Barlow and photographers Ed Spinelli and Kirstine Walton.
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
6/27: CBS Weekend News
High winds and heat are fueling Utah's out-of-control wildfires; Iranian drones target Bahrain after U.S. strikes Iran.
Camp Mystic rescuer reflects on the tragedy
It's been almost a year since deadly floods killed more than 130 people in the Hill Country region of Central Texas. The flooding at Camp Mystic killed 25 campers, two counselors and the camp's executive director. Scott Ruskan, aviation survival technician 2nd class for the U.S. Coast Guard, joined CBS News to remember the tragedy, his first ever mission.
Child psychologist on nicotine pouch risks
The Food and Drug Administration now allows ZYN nicotine pouches to be marketed as less harmful than cigarettes. Child psychologist Bonnie Halpern-Felsher joins "The Daily Report" to discuss the risks.
SCOTUS lifts political party spending limits
The Supreme Court has lifted limits on how much money political parties can spend on congressional campaigns ahead of the midterms. In a 6-3 vote, the justices found the Federal Election Campaign Act violated the First Amendment. CBS News legal contributor Jessica Levinson has more.
Why democratic socialists are winning primaries
Democratic socialists are celebrating another win in a key U.S. congressional primary ahead of the 2026 midterms. CBS News political reporter Zak Hudak has more.