Add Yahoo as a preferred source to see more of our stories on Google. In what may be the world's first-ever recorded sighting, a black seadevil — anglerfish known for living thousands of feet beneath ...

From a research vessel in the Pacific Ocean, scientists watched the feeds of several cameras sitting on the seafloor. Miles below, a deep-sea fish approached the camera’s bait then, changing its mind, ...

When most of us think of sharks we picture ferocious creatures with huge teeth pursuing prey at great speeds. That, however, is not the complete picture. In the Instagram clip below, you see a shark ...

Swimming in schools makes fish surprisingly stealthy underwater, with a group able to sound like a single fish. Engineers working with a high-tech simulation of schooling mackerel offer new insight ...