Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Some types of sea ...

Green Sea Urchin (Strongylocentrotus droebachiensis) A close up of a Green Urchin photographed while scuba diving in British Columbia, Canada. Often harvested for uni ...

Add Yahoo as a preferred source to see more of our stories on Google. A _Maurolicus muelleri_ viewed under fluorescent light. Dr Wen Sung Chung The deep sea is cold, dark and under immense pressure.

One hundred thousand years ago, a human cousin walked a rock- ribbed beach along the Mediterranean Sea, her head lowered and her large eyes scanning the shoreline. Now and again she stopped, bent her ...

The solitary cephalopods occasionally join a hunting party with fish, then lash out for reasons that scientists are studying. By Elizabeth Preston The first time Eduardo Sampaio saw an octopus wind up ...

The deep sea is cold, dark and under immense pressure. Yet life has found a way to prevail there, in the form of some of Earth's strangest creatures. Since deep-sea critters have adapted to near ...