There’s a reason why the idea of aliens living at the bottom of the sea keeps popping up in popular culture. Many of us are ...

The fish was found at 200 to 2,000 meters below the surface. At least 16 types of recently discovered deep-sea fish are among the darkest creatures ever found, according to a study published Thursday.

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...

A new glass sponge species is so strange that has been given the name named Advhena magnifica, which means "magnificent alien ...