Add Yahoo as a preferred source to see more of our stories on Google. A large gray serpent-like eel with a large lump in its stomach swims through the deep ocean. A large gray serpent-like eel with a ...

Scientists saw a mysterious deep sea animal, still misshapen from its last meal, swimming off the coast of Costa Rica, a first-of-its-kind video shows. Screengrab from the Schmidt Ocean Institute's ...