One ambitious company has a plan to establish a colony of adventurous humans beneath the sea, but scientists have some doubts ...

Deep below the Pacific, a restless seafloor volcano off Oregon is showing signs it may soon stir again. Axial Seamount, a ...

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

There is currently no commercial deep-sea mining happening anywhere in the world, though companies have been pushing for years. They appear to have found a new champion in Trump.

Heriot-Watt scientists have discovered giant underwater mud waves buried deep below the Atlantic Ocean, 400 kilometers off ...

Surprising footage reveals parasites attached to the head of a deep-sea fish. These crustaceans, visible in a video shared by ...

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.

New high-resolution satellite map reveals nearly 100,000 unknown ocean mountains, or seamounts, boosting climate and maritime ...

A remotely operated submersible saw the “semi-gelatinous” animal lying on the ocean floor and “flying underwater.” Take a ...

China has launched construction of a groundbreaking underwater research station 2,000 meters below the surface of the South ...

The deep ocean is one of the planet’s last wild ... Then there are seamounts, underwater mountains that rise thousands of feet above the seabed and have cobalt-rich crusts.