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

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

This geographical phenomenon, known as the Eastern African Rift (EARS), is believed to have initiated around 22 million years ...

As our maps of the moon have improved ... Indirect mapping from sonar and other techniques allows you to “see” the mid-ocean ...

Researchers diving in a submersible in the eastern Pacific realized that the landscape they had studied the day before had ...

Researchers in a submersible could hardly believe their eyes, or their luck, when they saw a clearly active eruption along an undersea volcanic mountain chain.

Mid-ocean ridge basalts (MORBs), located far from subduction zones, are typically thought to be unaffected by subduction processes. However, some MORBs display arc-like geochemical signatures ...

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