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

Commercial fishing that recently resumed in a vast protected area of the Pacific Ocean must halt once again after a judge in ...

Henriette has regained tropical storm strength in the Pacific Ocean well east of Hawaii. But forecasters say it is still not expected to pose a threat to land.

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 ...

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

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

Hurricane Iona was expected to move westward for the next couple of days and stay far south of the Hawaiian Islands, ...

Iona emerged on Sunday from a tropical depression and was about 1,440 kilometres southeast of Honolulu, the US National ...

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.

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.