The remarkable cephalopod was captured on camera off Hawaii by a remotely operated underwater vehicle.
A prominent paleoanthropologist has suggested that we may eventually develop gills and live underwater.
An underwater camera has picked up rare footage of a large squid in the waters of Japan's Toyama Bay.
Archaeologists have discovered a mysterious stone monolith at the bottom of the Mediterranean.
A new way of growing food underwater is being tested out beneath the Bay of Noli in Savona, Italy.
What makes it possible for someone to survive for such a long time without being able to breathe ?
The impressive five-foot-long aquatic surveillance robot looks and moves like the real thing.
A remote-controlled submarine has discovered that the ice is a lot thicker in some places than expected.
A Japanese construction company is planning to build underwater complexes that corkscrew in to the ocean.
Archaeologists have uncovered the remains of a small settlement at the bottom of the ocean near Delos.
A remarkable new type of crystal is capable of absorbing all the oxygen from the air or water around it.
Two pilots reported seeing a strange but beautiful underwater light show while flying near Kamchatka.
Specially trained dolphins could soon clash in an underwater sea battle according to recent reports.
Divers from China’s Hunan province have found a novel way to escape the scorching summer heat.