An expert diver's record-breaking feat was supplemented, not by the discovery of a magical marine creature, but by plastic ...

Miles below, a deep-sea fish approached the camera’s bait then, changing its mind, swam backward to escape. The footage turned out to be a first-of-its-kind sighting — but it wasn’t the last.

More than 6.7 miles below the surface of the Pacific Ocean lies the world’s deepest undersea chasm, and in it scientists made ...

the deepest trench on Earth. The Challenger Deep plunges to an estimated 10,935 metres (roughly 6.8 miles) below sea level - more than 1.2 miles farther from sea level than the peak of Mount Everest.

The ocean exploration group OceanX captured footage of octopuses punching fish ... Deep-Sea Research Centre and Inkfish to film this cryptic footage. The squid was observed in the Tonga Trench ...