In the heart of the Caspian Sea, off the coast of Azerbaijan, a mud volcano briefly birthed a mysterious island, only for the sea to reclaim it, leaving scientists captivated.
Small, translucent creatures -- known as sea cherubs -- are washing up along Oregon beaches, and more sightings are occurring ...
Sea cherubs, or Cliopsis krohni, are about the size of a nickel and can take down prey that is triple their size.
Axial Seamount is a young, 30 million-year-old undersea volcano in the Pacific Ocean off the U.S. coast, and it’s expected to ...