oceans

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Sharks Could Lose Their Teeth to Ocean Acidity
Sharks Could Lose Their
Teeth to Ocean Acidity
NEW STUDY
Sep 7, 2025 1:30 PM CDT

Sharks Could Lose Their Teeth to Ocean Acidity

Study warns rising acidity could erode sharks' hunting edge, transform ecosystems

(Newser) - Shark teeth might be the next casualty in the climate change saga: A new study suggests ocean acidification could leave these apex predators with a serious dental crisis. Researchers found that as oceans absorb more carbon dioxide and their pH levels drop, shark teeth start to corrode—potentially faster...

New Findings on Crucial Atlantic Current a Huge 'Wake-Up Call'

Scientists say collapse of AMOC currents system is no longer just a remote possibility

(Newser) - A new study suggests that the collapse of the Atlantic Meridional Overturning Circulation—a key current system that helps regulate the planet's climate—can no longer be considered a remote possibility. The AMOC, which brings warm water from the tropics to Europe and the Arctic, is currently at...

It's Been the 'Wild West' on the High Seas. Maybe Not for Long

High Seas Treaty sees surge in nations ratifying it at UN Ocean Conference, needs just 11 more

(Newser) - Eighteen countries ratified the High Seas Treaty on Monday, bringing the total to 49—just 11 short of the 60 needed for the ocean agreement to enter into force. The surge in support, occurring during the UN Ocean Conference in Nice, France, adds momentum to what could become a historic...

International Fleet Carries Message on Protecting Oceans

Advocates to push for ratifying treaty at UN conference

(Newser) - A fleet of 30 research and exploration vessels from around the world set sail just off the French coastal city of Nice on Sunday to kick off the third UN Ocean Conference and mark World Oceans Day. The event themed "Ocean Wonders" will see the vessels sail across Nice'...

Attenborough's Ocean a Brutal, Beautiful Wake-up Call

'I now understand that the most important place on Earth is not on land, but at sea,' says naturalist

(Newser) - An ominous chain unspools through the water. Then comes chaos. A churning cloud of mud erupts as a net plows the seafloor, wrenching rays, fish, and a squid from their home in a violent swirl of destruction. This is industrial bottom trawling. It's not CGI. And, as the AP...

99.999% of the Deep Sea Remains Unexplored
99.999% of the Deep Sea
Remains Unexplored
NEW STUDY
May 8, 2025 10:25 AM CDT

99.999% of the Deep Sea Remains Unexplored

Researchers describe bias in geographic coverage, operator representation

(Newser) - Across Earth's deep oceans, explorers have taken a look at an area roughly the size of Rhode Island, which isn't saying much. That works out to about 0.001% of the deep sea, according to a study published Wednesday in Science Advances . In other words, 99.999% of...

'Giant Ocean Conveyor Belt' May Fall Sooner Than Thought

Scientists pen open letter warning that risk of AMOC ocean current failing is 'underestimated'

(Newser) - Last year, climate scientists sent up a red flag over the potential collapse of the Atlantic Meridional Overturning Circulation, or AMOC, a network of ocean currents in peril from climate change. That warning indicated it could be decades before that happens, but a new analysis suggests such a "devastating"...

Lost Containers Give Up Crocs, or Sit on Sea Floor

Scientists, environmental activists want action taken to prevent spills

(Newser) - Russ Lewis has picked up strange things along the coast of Long Beach Peninsula in Washington state over the years: Hot Wheels bicycle helmets with feather tufts, life-size plastic turkey decoys made for hunters, colorful squirt guns. And Crocs, so many mismatched Crocs. If you find a single Croc shoe,...

In the World's Oceans, 'a Cause for Great Concern'

Earth's seas have busted temperature records every day over the past year, per BBC analysis

(Newser) - This past April was the hottest on record, according to the EU's Copernicus Climate Change Service, making it the 11th month in a row to claim that designation. Now, using data from that same agency, the BBC finds that the Earth's oceans are fighting a similarly heated battle—...

As They Got to the Seafloor, He 'Knew We Were Making History'

Explorer, retired Navy Capt. Don Walsh, part of first crew to reach deepest part of ocean, is dead at 92

(Newser) - Retired Navy Capt. Don Walsh, an explorer who in 1960 was part of a two-man crew that made the first voyage to the deepest part of the ocean—to the "snuff-colored ooze" at the bottom of the Pacific's Mariana Trench—has died. He was 92. Walsh died Nov....

Tiny Island Has Innovative Plan to Protect the Ocean

Pacific island Niue wants people to sponsor oceans

(Newser) - The tiny Pacific island nation of Niue has come up with a novel plan to protect its vast and pristine territorial waters—it will get sponsors to pay. Under the plan, launched by Niue's Prime Minister Dalton Tagelagi on Tuesday in New York, individuals or companies can pay $148...

California's Waves Are Getting Bigger
In California, 13-Foot
Waves Are a 'Harbinger'
new study
Aug 4, 2023 1:15 PM CDT

In California, 13-Foot Waves Are a 'Harbinger'

Study says giant swells have become more common, with signs pointing to climate change

(Newser) - Waves are getting bigger, and surf at least 13 feet tall is becoming more common off California's coast as the planet warms, according to innovative new research that tracked the increasing height from historical data gathered over the past 90 years. Oceanographer Peter Bromirski at the Scripps Institution of...

The Ocean Is Changing Color
The Ocean Is
Changing Color
new study
Jul 24, 2023 12:02 PM CDT

The Ocean Is Changing Color

Scientists detect shift in most of world's oceans, and they point the finger at a warming climate

(Newser) - The ocean's color isn't what it used to be. In a study in Nature , scientists say they've detected a color shift in 56% of the world's oceans over the last 20 years, reports Space.com . And while seawater can be a variable thing, the pace of...

UN Chief Says New Treaty Gives Oceans a 'Fighting Chance'

Members adopt first treaty to protect high seas marine life

(Newser) - Members of the United Nations adopted the first-ever treaty to protect marine life in the high seas on Monday, with the UN's chief hailing the historic agreement as giving the ocean "a fighting chance." Delegates from the 193 member nations burst into applause and then stood up...

Scientists: Trash Mess in Space Mirrors Problem in Oceans

Cleanup effort must start with a binding global treaty, experts say

(Newser) - There have been calls to action to clean up the trash in the world's oceans, and now researchers are warning of the urgency to do the same thing in space. The efforts are more similar than they might sound, Time reports. "As a marine biologist I never imagined...

Antarctic Seafloor Mapped in Unprecedented Detail

New deepest spot revealed along with seamounts and channels

(Newser) - We have the clearest view yet of what's below the Antarctic or Southern Ocean , one of the most remote and harsh regions on Earth, thanks to a five-year mapping effort that, among other things, revealed a previously unknown deepest point. The Factorian Deep at the southern end of the...

US Marine Animals Are Drowning in Plastic—Literally

Report mentions 1.8K cases of animals consuming or being entangled in plastic since 2009

(Newser) - Plastic pollution is taking a disastrous toll on marine animals in the US, particularly those threatened with extinction, according to a new report . It tells of 1,792 cases in which 40 different species of animals consumed or were entangled in plastic since 2009. Of those, 88% involved animals that...

Cousteau's Grandson Wants to Build This
Cousteau's Grandson
Wants to Build This
longform
Aug 30, 2020 2:40 PM CDT

Cousteau's Grandson Wants to Build This

Fabien Cousteau seeks funding for a $135 million underwater station

(Newser) - The legendary Jacques Cousteau loved working underwater amid incredible sea life. Now his grandson Fabien—himself an accomplished aquanaut and ocean conservationist—is revisiting that passion by trying to fund an aquatic habitat the Smithsonian calls an "international space station of the sea." The Proteus station would include...

Scientists Learn How 'Snot Palaces' Are Made
Scientists Turn Up
Stunning 'Snot Palaces'
new study
Jun 6, 2020 2:30 PM CDT

Scientists Turn Up Stunning 'Snot Palaces'

They do more with 4 inches than you'd expect

(Newser) - Master builders of the sea construct the equivalent of a complex five-story house that protects them from predators and funnels and filters food for them—all from snot coming out of their heads. And when these delicate mucus homes get clogged, the tadpole-looking critters—called giant larvaceans—build a new...

24-Year-Old Relaunches Device to Trap Ocean Plastic

After 4 months of repair, Boyan Slat's floating boom is back at it in the Pacific Ocean

(Newser) - A floating device designed to catch plastic waste has been redeployed in a second attempt to clean up a huge island of trash swirling in the Pacific Ocean between California and Hawaii. Boyan Slat, the 24-year-old creator of the Ocean Cleanup project, announced on Twitter that a 2,000-foot-long floating...

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