A terrifying moment captured on film of a group of divers coming face-to-face with sharks during a safety stop left viewers ...

Victoria University of Wellington have discovered a species of sea squirt that is thought to be new to science.

Great white shark materializes overhead in a “once-in-a-lifetime moment” as captain plays “death metal” music topside.

This is only the second time the species has been recorded while alive. “I thought it was A.I.,” says fish biologist Kory ...

Humpback anglerfish typically are found at depths of up to 1,500 meters below the water's surface, where there is little to no sunlight.

For deep-diving mixed-gas divers, it's far worse ... Because helium quickly carries away heat, warm water is also fed into the divers' suits, otherwise they would freeze to death.

Divers entering the gas may experience itching ... Many astrobiologists believe such conditions may exist in pockets of liquid water deep beneath the surface of Mars or in a sea under the frozen ...

Deep Dive delves into hot issues in Hong Kong and ... This was in response to Tokyo’s decision to release treated radioactive water into the Pacific Ocean from the Fukushima nuclear power ...