Drought-stricken Arizona and Nevada to get less water from Colorado River
The move came as officials predict levels at Lake Mead, the largest U.S. reservoir, will plummet even further.
ClimateWatch: Climate Change News & Features
U.N. hopes 5th time's the charm in push for treaty to protect oceans
Member states have haggled over the terms of new international laws to protect international waters from exploitation since 2017. Could they finally reel it in?
A third of Americans will soon live in dangerously hot areas: report
Researchers project that more than 100 million people will soon live in regions where the heat index reaches 125 degrees.
A megaflood could bring over 8 feet of water to parts of California
Climate change has already doubled the likelihood of catastrophic flooding in the state, researchers found, and without a limit on greenhouse gas emissions, it'll only get worse.
Thousands flee homes as raging wildfire chars France's wine country
With record heat turning brush and farmland into a tinderbox across much of Europe, wildfires are tearing across France, Spain and Portugal.
Arctic warming up to four times faster than the rest of the planet, study shows
The new study shows that warming in the Arctic is much worse than scientists previously thought.
England just had its driest July in almost 90 years
Much of Europe is sweltering under historic heat waves and parched conditions hitting everything from agriculture to transport.
U.K. so hot and dry, the source of the River Thames has dried up
"Hopefully downstream we will find the Thames, but at the moment, it's gone," said one tourist who had come, hoping to see the origin of the iconic English river.
Landfills are "super emitters" of methane, satellite data finds
The powerful greenhouse gas traps 80 times more heat in the atmosphere than carbon dioxide does.
Climate change is "eroding a way of life" for Fiji's fisherwomen
As waters warm and storms become more intense, some of Fiji's fisherwomen are making about half as much money as they used to – for more time spent working out at sea.
"Terrifying" study links climate hazards to hundreds of infectious diseases
"There is no speculation here whatsoever," the study's lead author said. "These are things that have already happened."
4th set of human remains found at drought-stricken Lake Mead
It was the fourth time human remains were discovered since its shorelines began retreating due to the drought's impact.
Due to climate change, Nevada says goodbye to grass
In a state where every drop of water counts, ornamental grass – which accounts for a large percentage of outdoor water use – has been banned in Southern Nevada, just one step being taken to address rising temperatures and shriveling reservoirs.
UPS workers demand safety protections amid intense heat waves
As the mercury soars, delivery drivers at the shipping company complain about a lack of AC and the punishing work pace.
Two of largest U.S. reservoirs on brink of "dead pool status"
The water levels in Lake Mead and Lake Powell are so low "that we're no longer speaking of a drought."
NOAA says record-breaking coastal floods will only get worse
Reducing greenhouse gas emissions is essential to preventing "severe and transformative impacts" along U.S. coastlines in the next 30 years, a new report from NOAA says.
Parts of Great Barrier Reef show highest coral cover in 36 years
The central and northern stretches of the reef recorded the highest coral cover in 36 years but are still vulnerable to climate change, monitoring group says.
Spain bans offices, bars and shops from setting AC below 80 degrees
The guidelines also include keeping heating at or below 66 degrees Fahrenheit in the winter.
Summer in the U.S. could be eight degrees hotter in 2100
In about 78 years, Chicago could feel like Alabama and New York could feel like South Carolina.
Scientists warn about risks of a worst-case "climate endgame"
"Right now, I think we're being naive. We're not looking at the worst-case scenarios at all, really," says Luke Kemp of Cambridge's Centre for the Study of Existential Risk.
6 deaths in Seattle area blamed on recent heat wave
In Oregon, 14 deaths are being investigated as possibly heat-related.
McKinney Fire, California's biggest of year, turns deadly
The blaze, in Klamath National Forest in Northern California, also forced thousands to evacuate as it tore through drought-caused tinder dry terrain.
Extreme heat suspected in 4 Oregon deaths: "Don't consider yourself invincible"
The forecast showed no sign of letting up soon in a region unaccustomed to such temperatures.
Lightning kills dozens in a week in northern India
The latest victims were farmers who took shelter under trees during a drenching monsoon. India's monsoon season lasts from June through September.
Firefighters slow growth of vast Oak Fire near Yosemite National Park
Its spread was limited to just a few hundred acres. But the blaze was only 16% contained at last word. It's California's largest wildfire this year.
Science
Science
Neuroscientists grow human brain tissue in mice
Neuroscientists at Stanford University successfully grew human brain tissue inside mice in the hopes of further enabling the development of treatments for brain disorders. Stanford Medicine professor of psychiatry and behavioral sciences Dr. Sergiu Pasca, who led the study, joins CBS News to break down the findings.
New species of wild cat discovered for first time in more than a century
Scientists have discovered a new species of wild cat for the first time in more than a century, a Bolivian researcher says.
Humpback whale seen grieving dead calf in rare footage
The footage shows a female humpback whale staying close to the dead calf as it lies motionless on the seafloor, touching it with its head and fin.
Remains of ancient warhorse given honorific burial discovered in Egypt
Archaeologists say they've discovered the remains of a likely ancient Egyptian warhorse given an honorific burial more than 3,000 years ago.
Anthropic CEO says "exponential" growth of AI is a "warning sign"
Artificial intelligence technology is developing at an "exponential" rate, Anthropic CEO Dario Amodei told CBS News, calling the situation a "warning sign" for the industry that requires serious safeguards.
First-ever adult T. rex trackway found in North Dakota
Paleontologists have identified the first known trackway made by a full-grown Tyrannosaurus rex, and the discovery was made in the North Dakota badlands.
Ig Nobel prizes go to scientists studying cockroach milk, nose-blowing, more
Ten research teams were honored at a satirical science awards ceremony that was hosted outside the U.S. for the first time due to travel concerns. A study of cockroach milk was among the winners.
Vote on the fattest marmot now
Marmots, not bears, are the largest "true" hibernating mammal, UCLA marmot researchers Katie Adler and Emily Renkey say. The two share more fun facts about these cute creatures and explain how to vote for the fattest marmot.
NASA plans to launch new space telescope
NASA's new telescope could change the way we see space. With a wide-field camera that will reveal an area up to 200 times larger than the Hubble Space Telescope, and an orbit a million miles from Earth, the Nancy Grace Roman telescope is expected to find tens of thousands of unknown exoplanets.
Invasive Joro spiders are "slowly spreading." Here's what to do if you see one.
The Great Smoky Mountains National Park told visitors Tuesday that invasive Joro spiders "may be hanging in a web near you."
A summer of extremes: Weathering a hotter world
July was the hottest month ever in the Lower 48 States – another escalation of our world into a hotter, more dangerous planet, where extreme weather events – such as heat waves, wildfires and hurricanes – will become more common and more extreme.
A summer of extremes: Weathering a hotter world
July was the hottest month ever in the Lower 48 States, breaking a record last set during the Dust Bowl – just another step in the escalation of our world into a hotter, more dangerous planet. Correspondent Jonathan Vigliotti talks with climate journalist Jeff Goodell and atmospheric scientist Maria Molina about how changes in Earth's climate are increasing the likelihood that extreme weather events – such as heat waves, wildfires and hurricanes – will become more common and more extreme.
Views of the total solar eclipse in Europe
A total solar eclipse was visible in parts of Europe for the first time since 1912. Rob Marciano reports.
Europe sees total solar eclipse
A total solar eclipse turned day into night across a slice of Europe and North America on Wednesday, and put millions in unique contact with the heavens above. Meteorologist Rob Marciano reports from Spain.
Astronomy professor on how eclipses work
Janna Levin, professor of physics and astronomy at Barnard College, joins CBS News to discuss Wednesday's total solar eclipse.
U.S.
More U.S.
Diesel prices just hit a new record. Would a U.S. export ban bring relief?
Some lawmakers want to halt U.S. diesel exports as prices top $6.50 a gallon. But such a ban could have unintended consequences, experts say.
Have an Apple iPhone 15 or 16? How to file a claim for up to $95.
The claims window is open until Dec. 21, 2026. To file a claim, iPhone users must enter basic personal info and their iPhone's serial number.
Trump signs agreement giving U.S. broad military authority in Greenland
The U.S., Denmark and Greenland signed a new security agreement bolstering the United States' military and security presence on the island.
Hayden Panettiere died from accidental overdose, autopsy finds
An autopsy by the Greenville County Coroner's Office determined Hayden Panettiere's death was due to an accidental overdose of several drugs, including fentanyl.
"Looksmaxxing" influencer Clavicular charged with rape in Massachusetts
Online personality "Clavicular," whose real name is Braden Peters, faces two felony charges and one misdemeanor charge. He denies the allegations.
MoneyWatch
More MoneyWatch
Diesel prices just hit a new record. Would a U.S. export ban bring relief?
Some lawmakers want to halt U.S. diesel exports as prices top $6.50 a gallon. But such a ban could have unintended consequences, experts say.
Have an Apple iPhone 15 or 16? How to file a claim for up to $95.
The claims window is open until Dec. 21, 2026. To file a claim, iPhone users must enter basic personal info and their iPhone's serial number.
What is an "AI swarm," and why it giving tech experts nightmares?
AI "agents" show a remarkable ability to share information and knowledge with other bots. That should worry us.
Selling early access to Trump Truth Social posts is illegal, ex-prosecutors say
Trump Media & Technology recently launched a Truth Social API data feed, charging $100,000 for "real-time access to posts from the highest-ranking Truth Social accounts."
Paramount Skydance reaches antitrust deal with states over Warner Bros. Discovery purchase
Paramount's agreement with 12 state attorneys general paves the way for the company to complete its $110 billion acquisition of Warner Bros. Discovery.
Politics
More Politics
Senators press Rubio to prioritize release of American journalist held in Iran
Reza Valizadeh, a U.S.-Iranian dual citizen and former journalist for U.S.-funded broadcaster Radio Farda, has been imprisoned in Iran since September 2024.
Trump signs agreement giving U.S. broad military authority in Greenland
The U.S., Denmark and Greenland signed a new security agreement bolstering the United States' military and security presence on the island.
GOP senator asks Senate committee to subpoena Donald Trump Jr., Hunter Biden
GOP Sen. John Curtis of Utah asked a Senate panel to subpoena Trump Jr. and Hunter Biden for testimony as part of a probe into the "use of presidential family relationships" for private financial benefit.
In U.N. speech, Trump threatens to "annihilate" Iran and defends foreign policy
President Trump said he could "annihilate" Iran while predicting that Tehran would make a deal to end the war after the U.S. midterm elections.
Mamdani, Trump agree to continue discussion on making NYC more affordable
Mayor Zohran Mamdani and President Trump held a high-profile meeting in New York City on Monday. It marked the third time they have met, but the first at Gracie Mansion.
HealthWatch
More HealthWatch
Even the smallest joys can help prevent suicide, researchers say
New research highlights common themes shared by people who found reasons to keep living through dark times.
First on CBS
JB Pritzker reveals GLP-1 use, pressed on possible presidential run
Illinois Gov. JB Pritzker revealed to "CBS Mornings" that for the last two years he has been using a GLP-1 medication to lose weight.
Her son was dying, but his rare cancer made it difficult to get the right drug
As knowledge about genetics advances, some doctors say cancers should be defined by their mutations, not the tissues where they manifest.
Her postpartum symptoms wouldn't go away. A brain tumor was to blame.
Lisa Fasone's first pregnancy went smoothly. Then a rare health condition put her dreams of a second child on hold.
RFK Jr. tells anti-vaccine activists they have a "friend in the White House"
Health and Human Services Secretary Robert F. Kennedy Jr. spoke at a conference hosted by an organization he once led that has promoted doubts about vaccines.
World
More World
Senators press Rubio to prioritize release of American journalist held in Iran
Reza Valizadeh, a U.S.-Iranian dual citizen and former journalist for U.S.-funded broadcaster Radio Farda, has been imprisoned in Iran since September 2024.
U.S. fighter jet crashes at air base in Germany, injuring pilot
The U.S. Air Base Spangdahlem said that the pilot ejected and was receiving medical care.
Trump signs agreement giving U.S. broad military authority in Greenland
The U.S., Denmark and Greenland signed a new security agreement bolstering the United States' military and security presence on the island.
Metal detectorist finds record-breaking trove of ancient Roman coins
A man who discovered Roman silver coins in a field realized he had stumbled upon something bigger when his metal detector kept signaling.
Irish athletes urge men's soccer team to boycott matches against Israel
The Irish government has been one of the most vocal critics of the Israeli government in recent years over its military action in Gaza.
Entertainment
More Entertainment
Entertainment
Judge Judy reflects on 30-year career
Judith Sheindlin, known on TV as Judge Judy, sits down with "CBS Mornings" to discuss her 30-year career as she passes the torch to her son, Adam.
Grandmaster Flash talks new book on hip-hop
Grandmaster Flash speaks with Nate Burleson about his new book, "Birth of a Culture," where he gives readers an intimate look at his role in the birth of hip-hop.
Fat Bear Week is here: Meet Backpack, Bucky and other chunky contenders
Sixteen bears are facing off in Fat Bear Week 2026, the highly anticipated tournament among the chunkiest bears at the Katmai National Park and Preserve in Alaska.
Converse pulls sneaker ad after critics say it uses racist imagery
Nike-owned Converse acknowledged that an ad for its Chuck Taylor sneaker is "deeply upsetting."
"Survivor" host Jeff Probst on 51st season
"Survivor" host Jeff Probst sits down with "CBS Mornings" to discuss the show's upcoming 51st season, which features some new twists and turns.
Technology
More Technology
Have an Apple iPhone 15 or 16? How to file a claim for up to $95.
The claims window is open until Dec. 21, 2026. To file a claim, iPhone users must enter basic personal info and their iPhone's serial number.
OpenAI wants U.S. to lead global AI safety
Tech industry insiders are united in saying that artificial intelligence development requires regulation and safety standards. OpenAI says the U.S. should lead the way when it comes to building out global AI safety principles. POLITICO Congress tech reporter Owen Dahlkamp weighs in.
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.
Former controller explains FAA outage
Flights were disrupted after a cable line was accidentally cut at an air traffic control facility in Philadelphia. S. Todd Yeary, a former certified air traffic controller with the FAA, explains what happened and why.
What is an "AI swarm," and why it giving tech experts nightmares?
AI "agents" show a remarkable ability to share information and knowledge with other bots. That should worry us.
Science
More Science
Science
Neuroscientists grow human brain tissue in mice
Neuroscientists at Stanford University successfully grew human brain tissue inside mice in the hopes of further enabling the development of treatments for brain disorders. Stanford Medicine professor of psychiatry and behavioral sciences Dr. Sergiu Pasca, who led the study, joins CBS News to break down the findings.
New species of wild cat discovered for first time in more than a century
Scientists have discovered a new species of wild cat for the first time in more than a century, a Bolivian researcher says.
Humpback whale seen grieving dead calf in rare footage
The footage shows a female humpback whale staying close to the dead calf as it lies motionless on the seafloor, touching it with its head and fin.
Remains of ancient warhorse given honorific burial discovered in Egypt
Archaeologists say they've discovered the remains of a likely ancient Egyptian warhorse given an honorific burial more than 3,000 years ago.
Anthropic CEO says "exponential" growth of AI is a "warning sign"
Artificial intelligence technology is developing at an "exponential" rate, Anthropic CEO Dario Amodei told CBS News, calling the situation a "warning sign" for the industry that requires serious safeguards.
Crime
More Crime
Crime
Man shot by ICE: "I'm not doing well"
Wilber Rafael Garces Perez was shot in the back by an Immigration and Customs Enforcement agent in Austin, Texas. Garces Perez's lawyer says he had a work permit and was seeking asylum but had missed a deportation order sent to an old address. CBS News' Jason Allen reports.
"Looksmaxxing" influencer Clavicular charged with rape in Massachusetts
Online personality "Clavicular," whose real name is Braden Peters, faces two felony charges and one misdemeanor charge. He denies the allegations.
Lindsay Clancy's lawyers take next steps
Lindsay Clancy's lawyers filed a motion to dismiss her case and asked the judge to investigate the lone holdout juror after her murder trial ended in a mistrial. CBS News' Shanelle Kaul has more details.
Latest on Nolan Wells case
A grand jury has declined to charge anyone in connection with the death of Mississippi teen Nolan Wells. CBS News' Skyler Henry has more details.
Man shot by ICE in Texas is back in hospital
Protests erupted in Austin, Texas, after a Venezuelan man was shot in his spine by Immigration and Customs Enforcement agents. CBS News' Jason Allen reports.
Space
More Space
NASA spacecraft discovers moon crater bigger than Roman Colosseum
Scientists have discovered a crater on the moon that's bigger than the Roman Colosseum, the result of a powerful impact two years ago.
NASA launches its Roman Space Telescope to explore the hidden universe
NASA's Roman Space Telescope launched shortly after daybreak from Kennedy Space Center and blazed toward an observation point 1 million miles away.
Roman Space Telescope promises 300-megapixel views of the cosmos
The $4.3 billion telescope is expected to discover tens of thousands of exoplanets while probing the nature of mysterious dark matter and energy.
First on CBS
Trump to honor Artemis II crew with nation's top space medal
President Trump plans to award the Congressional Space Medal of Honor to the crew of NASA's Artemis II mission in a ceremony Aug. 28.
NASA's Swift telescope will plunge toward Earth after rescue mission called off
The mission to save NASA's sinking space telescope has been called off, dooming the telescope to a fiery reentry later this year.
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.
Dolly Parton: An extraordinary life in pictures
Dolly Parton, the country music legend who became a feminist icon, has died at the age of 80. Here is a look back at her life in pictures.
Investigating the death of designer Sylvie Cachay
Sylvie Cachay was found dead in an overflowing bathtub at the exclusive Soho House in New York City on Dec. 9, 2010. A water leak at the hotel gave away a timeline that may have revealed her killer.
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.
Photos show 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.
Latest CBS News Videos
More Latest CBS News Videos
Latest CBS News Videos
Extended interview: Patrick Clancy
Patrick Clancy wrestles with grief and shares memories of his children in his first interview since his ex-wife Lindsay Clancy's murder trial ended without a verdict.
Cuban foreign minister slams U.S. blockade
Cuban Deputy Foreign Minister Carlos Fernández de Cossio spoke with CBS News chief correspondent Matt Gutman ahead of this week's United Nations General Assembly, blasting the ongoing U.S. oil blockade against his country.
Man remains in ICE custody after shooting
The Venezuelan man who was shot by ICE Sunday remains in federal custody despite losing feeling on his left side, his lawyer said. CBS News' Camilo Montoya-Galvez has more.
New research on suicide prevention strategies
New research is shedding light on suicide prevention and possible techniques to help people in crisis. Natalie Brand has more on the findings and spoke to a survivor on a mission to help others.
Trump's remarks on Iran at UNGA
President Trump spoke on the U.S. war with Iran during his address at the United Nations General Assembly.