Caltech says its Deep Synoptic Array will be larger and 100-times faster than any radio telescope ever constructed.

An extremely rare "living fossil," the goblin shark has been recorded alive for the first time lurking 6,552 feet (1,997 meters) below sea level.

Researchers traced new undersea ecosystems of soft coral, sea anemones, sponges, and more to large rocks and mineral deposits ferried by icebergs from dry land to the Arctic floor.