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 ...

Check out what happens when a class goes on a field trip to check out the local sea life in a nearby tide pool as a special ...

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.

Sea lions are generally blonde to tan in color, and the males tend to be larger than the females, according to the National Oceanic and Atmospheric Administration. They are very social creatures ...