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

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

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 ...

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

A new study implicates a strain of bacteria in the epidemic, which has had a collateral effect on sea urchins and kelp.

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

A tropical storm formed in the Pacific Ocean on Monday at the same time a different tropical storm was churning in the ...

Tropical Storm Dexter has strengthened in the Atlantic Ocean as it continues to drift away from the East Coast, the National ...

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