The ocean’s beauty often hides unexpected threats, and one diver’s recent experience in Egypt’s Red Sea serves as a chilling ...

Deep below the surface of the ocean in the South China Sea, a robot named “discovery” searched the seafloor for life. Faxian, ...

A “beautiful” mama sea creature was spotted alongside her baby off the coast of California. On Feb. 27, a northern right whale dolphin was seen swimming in unison with her calf, according to a ...

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

They might not look it, but sea cucumbers are pretty special creatures. Just ask this guy, Steven Purcell, one of the world's foremost experts on sea cucumbers. Purcell: They're quite strange animals.

One of the strangest groups of creatures of all is the sea squirts. Their comical title ... Even limpets are pretty marvellous. I have always been touched by the idea of a limpet returning to ...