The splashdown off San Diego closed out a 148-day mission for two NASA astronauts, a Japanese flier and a Russian cosmonaut.

The researchers found the sea snail, also known as a limpet, attached to underwater volcanic rock, per Wildlife Discovery.

Sick sea stars are lethargic, lose their arms and disintegrate into gooey masses. More than 90% of sunflower sea stars were ...

More than a decade since the start of the longest ocean warming event ever recorded, scientists are still working to ...

Known to only live in the Atlantic and Indian Oceans, the Solumbellula appeared in the Pacific for the first time to ...

Waves and strong currents are expected to continue Wednesday for Washington but it appears we've escaped largely unscathed.

French scientists are mapping plankton across the Indo-Pacific – using Navy ships to study the microscopic organisms that ...

Breakthroughs, discoveries, and DIY tips sent every weekday. An unexpected radioactive discovery beneath the Pacific Ocean seabed may provide researchers with a new global geologic time marker.

Drainage, structural and ocean are the major types of basins. As for ocean basins, the Pacific Ocean is the world's largest, covering 63 million square miles, with deep depths averaging 13,000 feet.

A tsunami advisory has been issued for the Oregon Coast for the evening of July 29 by the National Weather Service.

Two tropical cyclones were swirling across the ocean southeast of Hawaii after developing on Monday but were not expected to ...