Antarctic krill not only react to external environmental influences such as light or food. They also use their internal ...

A new review of ocean data suggests that more than 99.999 percent of the global deep seafloor has never been seen by humans.

These spiny or slimy ocean creatures display an astonishing diversity of appearances, behaviors and lifestyles—and many are ...

To pinpoint how climate change will play out, scientists are trying to solve a painstaking puzzle with clues etched in ...

The never-before-seen footage of sea creatures struggling in fishing nets is featured in National Geographic’s new documentary Ocean with David Attenborough.