Coral reefs in Honolulu and other coastal areas are undergoing what experts say is the world's worst coral bleaching event.

Lifeguards are on duty beginning Memorial Day and will remain through Labor Day, with roving patrols on some beaches through mid-October. Never swim alone. Lifeguards and information located on ...

A 35-mile-long fissure is cutting through Ethiopia’s crust. Known as the East African Rift, it keeps spreading wider.

The research showed that while certain corals only tend to inhabit the waters close to the surface, some species survive ...