Ted Judah went diving off McAbee Beach in Monterey Bay when he caught sight of a 'silvery knife blade undulating thing,' ...

Oceans shape everyday life in powerful ways. They cover 70% of the planet, carry 90% of global trade, and support millions of ...

A prototype OceanWell reverse osmosis pod sits on the dock at the Las Virgenes Reservoir in Westlake Village, Calif., Monday, ...

A group of German scientists tested the effects of a more acidic ocean on sharks' teeth and found that future generations of ...

She played a key role in negotiating a landmark United Nations treaty to protect the high seas, an agreement that went into ...

Ciguatera—a toxin that accumulates in reef fish—is a common cause of seafood poisoning. Learn which fish are safest to order ...

Marine heat waves have become longer and more frequent along the U.S. West Coast, as elsewhere in the world. But heating ...

Wondering about the world's weirdest sea creatures? We've compiled this list of the 20 weirdest animals in the ocean to show ...

Retired NBA star Elden Campbell ventured into the ocean in the middle of the night to go fishing before his body was found ...

Allowing reef fish populations to recover could dramatically increase the global supply of sustainable seafood.

In a new study, we and an international team of scientists examined the behavior of marine viruses in a large band of ...

Port Lincoln's world-famous Tunarama Festival has returned to the South Australian event calendar, with thousands of people ...