Planet's deepest blue hole discovered but depth remains a mystery
Blue holes are considered an "oasis" for marine life — but the Taam Ja' Blue Hole off the coast of Mexico remains largely mysterious.
Oceans
How innovative technology protects ocean life
More than 100 nations have agreed to protect 30% of the world's oceans by 2030. One way of doing this is to create what are known as Marine Protected Areas, where human activity is restricted or banned. Ben Tracy reports on how a mix of AI and satellite vessel tracking data can help.
Weapons chest and chain mail found in ancient shipwreck off Sweden
The wreck is "partly disintegrated," but some remnants have been "very well preserved."
Inside efforts to save sharks from extinction
Despite how terrifying sharks might seem, the creatures are critical to the survival of the world's oceans. Oceans generate 50% of the oxygen on the planet and absorb 90% of excess heat created by global warming. CBS News senior national and environmental correspondent Ben Tracy spoke with conservationists in the Bahamas.
How countries are using innovative technology to preserve ocean life
More than 100 nations, including the United States, have agreed to protect 30% of the world's oceans by 2030.
Record ocean temperatures could lead to "explosive hurricane season"
The Weather Channel's Stephanie Abrams told "CBS Mornings" that La Niña and high ocean temperatures could impact hurricane season.
Oceanographer on search for flight MH370
Friday marks 10 years since Malaysia Airlines flight MH370 mysteriously disappeared en route to Beijing. Charitha Pattiaratchi, coastal oceanography professor at the University of Western Australia, joins CBS News to discuss the search for the wreckage.
Thousands of whales died in a heat wave. It may get worse.
Thousands of whale photos revealed that a single event known as "The Blob" managed to undo years of humpback whale recovery – and it could be a sign of what's to come.
Major U.S. cities are sinking, NASA images show
Images shared by NASA show the U.S. East Coast is actually sinking — including the land that holds major cities like New York and Baltimore.
World's largest iceberg on the move
Satellite imagery from recent months shows Antarctica's A23a gradually heading north toward open water after breaking free from the ocean floor last November. Iceberg researcher Dr. Andrew Meijers joins CBS News to discuss.
Jellyfish with bright red cross found in deep-sea volcanic structure
Researchers named the marine animal "Santjordia pagesi" after the Cross of St. George because of its resemblance to the striking X.
Sailor missing more than 2 weeks arrives in Hawaii, Coast Guard says
Noel Rubio, 60, was last heard from in late December after departing California to head to Hawaii.
Coast Guard searching for sailor, 60, who has been missing for 2 weeks
Noel Rubio, 60, was last heard from in late December after departing California to head to Hawaii.
3 new coral bleaching alert levels created in wake of extreme heat
The revised coral bleaching alert levels come in the wake of Florida experiencing hot tub-level sea temperatures and some reefs experiencing "100% mortality."
Deep-sea reef the size of Vermont discovered off U.S.
The 6.4 million-acre reef is bigger than the state of Vermont, NOAA says.
Record-breaking number of manatees gather at Florida lagoon
Florida manatees have been experiencing an unusual mortality event in recent years, many dying from starvation, disease and watercraft incidents.
Sea level rise could cost Europe billions in economic losses, study finds
Researchers found that sea level rise could cost the EU and U.K. nearly $950 billion by the end of this century.
Man survives 23 hours in ocean, close encounter with shark
A New Zealand man who fell overboard during a fishing trip used his wristwatch to signal to rescuers.
See the massive rogue wave in California that swept away a pickup truck
Forecasters are warning of an "exceptionally dangerous" wave event along California's coast that "has not occurred in many years."
Researchers study impact of billions of pounds of microplastics on oceans
A recent study estimates there are now 170 trillion pieces of plastic in the ocean.
Researchers study ocean impact of microplastics
A recent study estimates there are now 170 trillion pieces of plastic in the ocean. A team of international scientists working on a research vessel off the coast of Panama are seeking to understand the impact of microplastics on the oceans and our health. Ben Tracy has details.
Shark attacks woman walking in knee-deep water after midnight
The 21-year-old woman, who has not been identified, suffered a "significant laceration to her leg," officials said.
"Rarely seen" killer whales seen hunting sea lions off California coast
The whales hunted sea lions, the Monterey Bay Whale Watch said, before traveling northwest.
30-ton whale filmed swimming with beachgoers dies after stranding
The whale was first seen swimming off a Western Australia beach on Saturday, officials said.
"New evidence" proves shipwreck is Captain Cook's boat, museum says
New evidence was "critical to the identification of the wreck" of the Endeavour, the Australian National Maritime Museum said.
Trump sends California National Guard troops to Oregon
The U.S. Immigration and Customs Enforcement building in Portland has recently been the site of nightly protests.
Johnson, Schumer accuse each other of not being serious in shutdown negotiations
Congressional leaders traded blame for the government shutdown on Sunday as the stalemate over how to reopen the government stretched into another week without progress on negotiations.
CBS News poll finds few feel shutdown is worth it
Americans are concerned about effect of shutdown on economy, amid unease about jobs and inflation.
As justices confront harassment, death threats, Barrett says "I'm not afraid"
In an interview with CBS News, Justice Amy Coney Barrett said of the Supreme Court's emergency orders in the Trump cases, "This isn't the final decision."
Priscilla strengthens into a hurricane in the Pacific. Maps show its path.
Hurricane Priscilla was strengthening Sunday in the Pacific Ocean, off the southwestern coast of Mexico.
Rubio says release of Gaza hostages is "most emergent and immediate phase" of Trump plan
"Let's discuss through the mediators the logistics and the mechanics behind how that happens, and that has to happen very quickly. That cannot drag on," Secretary of State Marco Rubio said.
AI in the military: Testing a new kind of air force
Preparing for the threats of tomorrow, the U.S. Air Force is testing drones piloted by artificial intelligence alongside aircraft flown by humans – and is teaching AI how to fight, a potential revolution in warfare.
2 dead, 12 injured in Montgomery, Alabama mass shooting
Rival gunmen started shooting at each other in a crowded downtown nightlife district in Alabama's capital city Saturday night, police said.
Ex-NFL QB Mark Sanchez arrested on battery charges after being hospitalized
Mark Sanchez, who is a Fox Sports analyst, was arrested on multiple misdemeanor charges at an Indianapolis hospital, police said.