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

Tsunami alerts blanketed the West Coast and Alaska after one of the strongest earthquakes in recorded history.

Tsunami waves arrived on the eastern coast of Japan following a powerful 8.8. magnitude earthquake off the eastern coast of ...

Tsunami waves reached Hawaii and the West Coast after one of the strongest earthquakes in recorded history, a magnitude 8.8 ...

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

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

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

A powerful 8.8-magnitude earthquake in Russia's Far East is sending tsunami waves to Hawaii, Alaska, California and Oregon.

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

The National Hurricane Center gives the latest update on Hurricane Iona and says it is "rapidly weakening" to the south of ...

Click here for the latest update on Tropical Storm Dexter for Thursday, Aug. 7. Tropical Storm Dexter has picked ...