New report ranks the cleanest and most polluted U.S. cities
The new report evaluated air quality in different parts of the country by measuring the presence of ozone and particle pollution in the atmosphere.
ClimateWatch: Climate Change News & Features
Using the ocean to power data centers
The renewable energy company Panthalassa says it has a solution to the proliferation of AI data centers, which consume massive amounts of energy and are the cause of increased carbon pollution: sea-based data centers, powered by wave energy.
March smashed heat records in several ways, federal data shows
Last month was the hottest March on record for the Lower 48 states, by the most for any month ever, federal data shows. And a forecast El Niño could heat Earth even more.
Emperor penguins listed as endangered species
The emperor penguin has been declared an endangered species as climate change pushes the icon of Antarctica a step closer to extinction, the global authority on threatened wildlife says.
EPA chief Lee Zeldin tells climate skeptics to "celebrate vindication"
The head of the Environmental Protection Agency on Wednesday defended his decision to repeal the legal determination that serves as the basis for federal rules to slow climate change.
The West's historic snow drought could bring water shortages, wildfires
The western United States experienced a severe snow drought this year, threatening the region's water supply and potentially setting the stage for its wildfire season.
Sea levels higher than thought due to "methodological blind spot," study says
A new study in the journal Nature says most sea level rise research may have underestimated coastal water heights by an average of 1 foot.
El Niño could return this year and make Earth even hotter
The weather phenomenon known as El Niño could form later this year, potentially pushing global temperatures to record heights, researchers say.
Supreme Court to weigh energy companies' bid to end state climate change suits
The Supreme Court agreed to take up an effort by energy companies to end a lawsuit filed in state court that seeks billions of dollars in damages.
In a first, shark seen on camera in Antarctica waters, surprising researchers
A large shark was caught on camera for the first time in Antarctica's waters, surprising researchers. "There's a general rule of thumb that you don't get sharks in Antarctica," one said.
How Washington's crossing of the Delaware presaged a changing world
On the evening of Christmas 1776, Gen. George Washington surprised the King's forces by leading the Continental Army in a surprise crossing of a near-frozen Delaware River - a watershed military maneuver that dramatized a changing America, and a changing climate.
Trump's EPA revokes the "endangerment finding." Here's what to know.
The Trump administration says greenhouse gases emitted from sources like cars, trucks and power plants will no longer be regulated by the federal government.
"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.
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.
Science
Mysterious world beyond Pluto may have atmosphere, study says
If confirmed, the rock would become just the second world past Neptune in our solar system to host an atmosphere.
Bill Nye on the Artemis II moon mission
Bill Nye The Science Guy, the chief ambassador of The Planetary Society, joins CBS News 24/7 Mornings with more after meeting the Artemis II crew in person after their successful mission around the moon.
Trump administration fires board overseeing National Science Foundation
The Trump administration has fired all 22 current members of an independent board that oversees the National Science Foundation, one dismissed member says.
AI used to reveal face of victim fleeing Mount Vesuvius eruption
Archaeologists found the victim holding a terracotta mortar, which they interpret as an improvised attempt to shield his head.
In a first, endangered orangutan seen using canopy bridge to cross road
Rapid development has been shrinking the jungle habitat of the critically endangered species, and fatal conflicts with people have been increasing.
Saving the Venus fly trap
The carnivorous Venus fly trap is native to the Carolinas, but its population is dwindling due to loss of habitat. Correspondent Seth Doane talks with botanist Julie Moore, who has spent much of her life helping to save these remarkable plants; and with Damon Waitt, director of the North Carolina Botanical Garden, who discusses the unusual traits of a species that Charles Darwin called the most interesting plant in the world.
From 1990: NASA launches Hubble Telescope
On April 24, 1990, NASA launched the Hubble Space Telescope from the Space Shuttle Discovery after seven years of delays. Watch CBS News' coverage from that day.
60-foot octopus ruled the seas during age of dinosaurs, fossils show
New analyses of fossilized jaws reveal that massive, kraken-like octopuses once hunted alongside other marine predators.
Mysterious "golden orb" found in deep sea in 2023 is finally identified
Scientists spent over two years identifying a mysterious object found off the coast of Alaska in 2023.
Salmon exposed to cocaine swim almost twice as far, study shows
Researchers studied how the drug affected the movements of wild fish in their natural habitats.
Mars rover carries out chemistry experiment never done beyond Earth
"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity mission.
Cementing a more sustainable alternative to concrete
The process of making 30 billion tons of concrete every year produces more carbon pollution than all the world's ships and planes put together. Now, the North Carolina and Denmark-based Biomason is using biotechnology, including naturally-occurring microbes, to create "biocement" that's just as sturdy but emits much less CO2. David Pogue reports.
Breeding a better bread
Over the past century, the cultivation and processing of wheat has led to strains of grain that are less nutritious, less flavorful, and more vulnerable to climate change. The researchers at Breadlab, at Washington State University, are trying to breed varieties of whole grains that are better for farmers, consumers – and taste buds. David Pogue reports.
Using the ocean to power data centers
The renewable energy company Panthalassa says it has a solution to the proliferation of AI data centers, which consume massive amounts of energy and are the cause of increased carbon pollution: sea-based data centers, powered by wave energy.
Using the ocean to power data centers
The renewable energy company Panthalassa says it has a solution to the proliferation of AI data centers, which consume massive amounts of energy and are the cause of increased carbon pollution: sea-based data centers, powered by wave energy. Correspondent David Pogue examines what Panthalassa's alternative to land-based data centers may mean.
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Inside the effort to replace America's Minuteman III nuclear missiles
Hundreds of Minuteman III nuclear missile silos dot the landscape from Colorado up to the Canadian border, but a major transition is underway.
1 missing U.S. soldier in Morocco was trying to save another, officials say
Search and rescue efforts were still underway as of Monday after the two U.S. Army soldiers went missing off Morocco's southern coast over the weekend while off duty during a training exercise.
Judge "very troubled" by accused correspondents' dinner gunman's treatment in jail
A federal judge on Monday sharply criticized the treatment of accused White House Correspondents' Dinner attacker Cole Allen, at one point apologizing to the defendant for what he saw as overly restrictive and punitive conditions in jail.
Blake Lively and Justin Baldoni reach settlement in "It Ends With Us" lawsuit
A trial in the lawsuit between Blake Lively and Justin Baldoni was set to begin later in May.
How much does a ticket to the Met Gala cost in 2026?
Tickets for Monday's Metropolitan Museum of Art event in New York City are into the six figures — if you get an invite.
MoneyWatch
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How much does a ticket to the Met Gala cost in 2026?
Tickets for Monday's Metropolitan Museum of Art event in New York City are into the six figures — if you get an invite.
Spirit Airlines says it has refunded most customers after shutdown
Some Spirit Airlines customers with flight tickets could be out of luck after the discount carrier ceased operations.
Trump family's World Liberty Financial sues billionaire for defamation
The lawsuit ramps up a feud between World Liberty Financial and Sun, who last month sued the Trump-backed company for fraud.
GameStop offers to buy eBay for $55.5 billion, threatens hostile bid
EBay said on Monday that it will "carefully review" GameStop's unsolicited $ 125-per-share takeover offer.
9 tribes sue to stop exploratory drilling in Black Hills near sacred site
Nine Native American tribes in South Dakota, North Dakota and Nebraska are suing the federal government in a bid to stop exploratory drilling for graphite near a sacred site in the Black Hills.
Politics
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2 U.S. Navy destroyers transit Strait of Hormuz after dodging Iranian onslaught
Two U.S. Navy destroyers transited the Strait of Hormuz and entered the Persian Gulf after navigating an Iranian barrage, according to defense officials.
Judge "very troubled" by accused correspondents' dinner gunman's treatment in jail
A federal judge on Monday sharply criticized the treatment of accused White House Correspondents' Dinner attacker Cole Allen, at one point apologizing to the defendant for what he saw as overly restrictive and punitive conditions in jail.
Alito temporarily restores FDA rule allowing abortion pill to be sent by mail
A federal appeals court blocked a FDA rule that allowed the abortion pill mifepristone to be dispensed through the mail.
Full transcript of "Face the Nation with Margaret Brennan," May 3, 2026
On this "Face the Nation with Margaret Brennan" broadcast, White House Economic Council Director Kevin Hassett and Sen. Raphael Warnock join Margaret Brennan.
9 tribes sue to stop exploratory drilling in Black Hills near sacred site
Nine Native American tribes in South Dakota, North Dakota and Nebraska are suing the federal government in a bid to stop exploratory drilling for graphite near a sacred site in the Black Hills.
HealthWatch
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HealthWatch
Latest on apparent hantavirus cruise outbreak
A suspected outbreak of hantavirus on a cruise ship has killed three people, officials say. Tom Hanson reports.
Alito temporarily restores FDA rule allowing abortion pill to be sent by mail
A federal appeals court blocked a FDA rule that allowed the abortion pill mifepristone to be dispensed through the mail.
Apparent hantavirus outbreak kills 3 on cruise ship, sickens at least 3 more
A suspected outbreak of the rare hantavirus on a cruise ship in the Atlantic off Africa killed three people and sickened at least three others, health officials say.
5/3: Sunday Morning
Hosted by Jane Pauley. Featured: The effects of overtourism; horse therapy; a tool to help keep dementia in check; Sting on "The Last Ship"; a golf journalist takes over a failing golf course; a Mozart exhibition; and collecting PEZ dispensers.
A tool to help keep dementia in check
Many people fear that a family history of dementia dooms them to inevitably suffer the condition themselves. But a new tool, the Brain Care Score, shows how lifestyle changes can be beneficial, cutting the risk of dementia. National Public Radio correspondent Allison Aubrey talks with neurologist Dr. Jonathan Rosand about how making changes to your daily habits might just be the prescription needed.
World
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2 U.S. Navy destroyers transit Strait of Hormuz after dodging Iranian onslaught
Two U.S. Navy destroyers transited the Strait of Hormuz and entered the Persian Gulf after navigating an Iranian barrage, according to defense officials.
1 missing U.S. soldier in Morocco was trying to save another, officials say
Search and rescue efforts were still underway as of Monday after the two U.S. Army soldiers went missing off Morocco's southern coast over the weekend while off duty during a training exercise.
Russia and Ukraine declare separate ceasefires ahead of WWII anniversary
Russia on Monday declared a unilateral ceasefire with Ukraine between May 8-9, when Moscow marks its annual World War II Victory Day commemorations.
2 dead after driver plows into people in Leipzig, Germany
Police said several were injured in the incident, which happened in the Grimmaische Strasse, a street that leads into central Leipzig's shopping area.
Record cocaine haul seized in Atlantic by Spanish police, union says
Spanish police impounded what is believed to be a national record haul of cocaine from a ship, with the seizure potentially reaching 40 tons, a union said.
Entertainment
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Justin Baldoni and Blake Lively settle
Justin Baldoni and Blake Lively have reached a settlement in their legal battle over the making of "It Ends With Us." Details of the agreement have not yet been made public.
Controversy at 2026 Met Gala
The 2026 Met Gala is facing controversy over its honorary chairs, Amazon founder Jeff Bezos and his wife, Lauren Sanchez Bezos. Adrianna Diaz reports.
Blake Lively and Justin Baldoni reach settlement in "It Ends With Us" lawsuit
A trial in the lawsuit between Blake Lively and Justin Baldoni was set to begin later in May.
Live
Live Updates: Met Gala 2026 red carpet arrivals and celebrity photos
The stars are out at the Met Gala, walking the red carpet adorned in clothing designed for the "Costume Art" theme.
Star Wars fans celebrate May the 4th
Alex Damon, one of the minds behind the "Star Wars Explained" viral videos, joins CBS News to discuss the franchise as fans celebrate May 4, a popular day among followers.
Technology
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GameStop offers to buy eBay for $55.5 billion, threatens hostile bid
EBay said on Monday that it will "carefully review" GameStop's unsolicited $ 125-per-share takeover offer.
Almanac: May 3
"Sunday Morning" looks back at historical events on this date.
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.
Reducing data center impact on U.S. power grid
Powerful artificial intelligence data centers are putting a significant strain on the nation's power grid, but one U.S.-based company has a proposal to help solve the issue. Jon Parella, CEO and founder of Terraflow Energy, joins to discuss.
Apple's latest earnings beat expectations
Apple's latest earnings report beat Wall Street expectations. CBS News contributor Patrick McGee joins with more.
Science
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Mysterious world beyond Pluto may have atmosphere, study says
If confirmed, the rock would become just the second world past Neptune in our solar system to host an atmosphere.
Bill Nye on the Artemis II moon mission
Bill Nye The Science Guy, the chief ambassador of The Planetary Society, joins CBS News 24/7 Mornings with more after meeting the Artemis II crew in person after their successful mission around the moon.
Trump administration fires board overseeing National Science Foundation
The Trump administration has fired all 22 current members of an independent board that oversees the National Science Foundation, one dismissed member says.
AI used to reveal face of victim fleeing Mount Vesuvius eruption
Archaeologists found the victim holding a terracotta mortar, which they interpret as an improvised attempt to shield his head.
In a first, endangered orangutan seen using canopy bridge to cross road
Rapid development has been shrinking the jungle habitat of the critically endangered species, and fatal conflicts with people have been increasing.
Crime
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Crime
Gunman shot near Washington Monument
The White House was on lockdown Monday afternoon after the Secret Service shot a gunman just blocks away near the Washington Monument. Nicole Sganga reports.
Cole Allen moved off suicide watch
Cole Allen, the suspected shooter at the White House Correspondents' Dinner, was moved off suicide watch in jail ahead of his appearance in court on Monday. CBS News senior coordinating producer Anna Schecter has more.
Record cocaine haul seized in Atlantic by Spanish police, union says
Spanish police impounded what is believed to be a national record haul of cocaine from a ship, with the seizure potentially reaching 40 tons, a union said.
Claims on shot that hit Secret Service agent
U.S. Attorney for the District of Columbia Jeanine Pirro is claiming that Cole Allen, the suspect linked to a shooting at the White House Correspondents' Dinner, fired a shot that hit a Secret Service agent's vest. CBS News' Katrina Kaufman has more.
Shooting at lake near Oklahoma City leaves at least 18 injured
At least 18 people were at hospitals following a shooting at a party at Arcadia Lake, near Oklahoma City, police say.
Space
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Mysterious world beyond Pluto may have atmosphere, study says
If confirmed, the rock would become just the second world past Neptune in our solar system to host an atmosphere.
Artemis crew surprises 5-year-old aspiring astronaut with special gift
The Artemis II team gained a new member, and the crew made sure their youngest teammate had the right stuff for space.
Artemis II crew reveals what snack they ate right after splashdown
The Artemis II astronauts said they actually really enjoyed the space food, but it was a familiar candy they enjoyed after splashing down in the Pacific Ocean.
Artemis II astronauts talk mission toilet troubles: "We made do"
The plumbing issues aboard the Orion capsule became headline news in the early days of the historic Artemis II mission.
Only on CBS
Artemis crew tells kids moon flight was "the best roller coaster ride"
The Artemis II astronauts joined "CBS Mornings" for a live town hall where they took questions from kids just weeks after returning from their historic moon mission.
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
Passenger stranded by Spirit on airline's closure
Lyndee Domka was in Orlando, Florida, when her flight home to Ann Arbor, Michigan, was canceled due to the closure of Spirit Airlines. She joined CBS News to discuss her experience.
Trump facing bad poll numbers ahead of midterms
The Trump administration is facing terrible approval ratings ahead of the midterm elections, according to new polling from ABC News and the Washington Post. CBS News' Kathryn Watson and Eleanor Watson have more.
Ben's Chili Bowl reopens in Washington, D.C.
Major Garrett reports on the reopening of the iconic Ben's Chili Bowl in the nation's capital.
Radio flashback: Babe Ruth interviewed
A 1939 interview with Babe Ruth about autographs is the subject of this CBS News Radio flashback, introduced by Major Garrett.
How math could solve gerrymandering
Roland Fryer, economics professor at Harvard University, joins CBS News to discuss how math might hold the key to ending gerrymandering.