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

The National Hurricane Center is tracking two tropical waves in the eastern and central Atlantic Ocean, far from the U.S.

The Navy plans to build a new dry dock at Puget Sound Naval Shipyard that can accommodate its largest aircraft carriers and ...

Tropical Storms Henriette and Ivo are expected to develop into hurricanes in the Pacific, the National Hurricane Center says.

Blue whale vocalizations have dropped by 40% over six years, with researchers linking the decline to krill shortages caused by marine heatwaves like “The Blob.” ...

Tropical Storm Dexter is forecast to strengthen in the north Atlantic Ocean, according to the National Hurricane Center.

Sounding the alarm. The sound of the blue whale’s singing has decreased off the coast of California, frightening scientists ...

Tropical Storm Ivo formed Wednesday in the eastern Pacific Ocean and was expected to bring rain and rough surf to parts of ...

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

A recent string of powerful earthquakes and volcanic eruptions in Russia and Alaska serve as stark reminders that the U.S.