Researchers collected more than 43,000 records of dives and assessed the photos and videos to determine how much of the bottom has been seen by humans.

The deep sea refers to the part of the ocean below 200 meters (656 ft.), at which light begins to disappear. Despite making ...

Human eyes have only seen a tiny, tiny, tiny fraction of the areas of the world that are covered by deep water. Scientists ...

Venture beneath the surface of the ocean and you'll find a world as alien as any far-flung destination. In the darkness and ...

Australian scientists aboard the icebreaker ship RSV Nuyina uncovered a host of unique marine creatures during a 60-day expedition near the Denman Glacier in East Antarctica.