The marine photographer who captured the footage said it could be the world's first recorded sighting of a black seadevil ...

From a ballet of white-tip reef sharks to a cardinal fish releasing freshly hatched babies from its mouth, these underwater ...

Scientists discovered the 1-foot-long animal while aboard a submersible several miles deep in the Pacific Ocean. Take a look.

Scientists on a submersible in the Pacific Ocean found a 1-foot-long sea creature with 24 “feet” and discovered a new species, a study said. Getty Images ... an unfamiliar-looking sea cucumber ...

Why it's awesome: Earth's oceans are home ... with videos and images showing the creatures swimming at relatively shallow depths of between 260 and 920 feet (80 to 280 m). In a study reporting ...

A rare ocean ... feet long, the animal is still “relatively small” compared to other members of its species. That’s according ...