A powerful underwater volcano known as Axial Seamount off the Oregon coast may erupt. Though scientists say it poses no ...

A World War I submarine wreck off the coast of Southern California has been captured for the first time in new video and images made possible using advanced deep-sea imaging technology. At such a ...

It's worth the extra effort to reach this under-the-radar snorkeling spot in Maui, where you will find vibrant fish and ...