A new review of ocean data suggests that more than 99.999 percent of the global deep seafloor has never been seen by humans.

Indirect mapping from sonar and other techniques allows you to “see” the mid-ocean ridges that host some of these vents. But ...

From a research submersible, scientists saw hardened lava, dead tube worms and orange flashes from an eruption in the East ...

A heat advisory is in effect from 10 a.m. Friday to 9 p.m. Saturday for areas including the Santa Clarita Valley and San ...

With China dominating the supply chain, the US sees opportunity at the bottom of the ocean but the science is far from ...

The largest mountain range, by far, is known as the mid-ocean range system and the vast majority of it is under the ocean.

One of the Pacific Ocean’s most active undersea volcanos could erupt before the end of this year, according to a new report ...

As the last Ice Age came to an end nearly 10,000 years ago, something unexpected happened deep beneath Earth’s surface. Large ...

Atlantic hurricane season approaches, unusually cool sea surface temperatures, in the neighborhood of 2 °F below last year’s ...