A riotous photography collection from a recent underwater mission off the coast of Chile shows new and fascinating deep-sea ...

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.

Picture an ocean world so deep and dark it feels like another planet—where creatures glow and life survives under crushing ...

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

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

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

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.

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

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