What exactly is this unusual blue sea creature? Get to know one of the more unusual members of the sea slug family in our ...

A content creator took it upon himself to drop a drone to the bottom of The Great Blue Hole, located off the coast of Belize.

Far below the surface of the South China Sea, a creature with “glass-like” skin was discovered. Greg Nerantzakis via Unsplash ...

In the cold, lightless Pacific Ocean deep, the seabed is scattered with metal-rich rocks coveted by miners—and huge numbers ...

Learn more about some of the best new discoveries: ...

Life Under Water is back for a second season after an incredibly successful first season which won a Bronze Climate award at ...

They're tiny, blobby, butt-shaped, and glow in the dark. What the heck are they? Scientists are still figuring them out.

A calving iceberg exposed a region that never before had been seen by human eyes, revealing a vibrant, thriving ecosystem ...

While this blue sea creature appears to be writhing in pain, it’s actually just moving around. The cerata, or feather-like protrusions from the body, move easily and gracefully.