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.

A “rare” sea creature sighting was captured off the coast of California. During whale watching trips on Jan. 2, onlookers saw a fin whale and a minke whale, which are “rare sightings for ...

Organisms in the deep sea rely on gravity flows to lay down sediment and then make burrows beneath the seafloor, according to a new study.