The deep sea begins at about 200 meters below sea level, where light starts to diminish in a region called the twilight zone.

The Monterey Bay Aquarium Research Institute captured footage of a giant phantom jelly with ribbon-like arms over 30 feet ...

Half a century after the world's first deep sea mining tests picked nodules from the seafloor off the US east coast, the damage has barely begun to heal.

but previous studies conducted in the deep sea have shown that oxygen is only consumed, not produced, by the organisms that live there, Sweetman said. Now, his team’s research is challenging ...

Rare metals on deep sea and ocean floors miles below the surface produce "dark oxygen," and mining these ... and its consumption by the organisms there. The chambers were placed at multiple ...

The discovery of “dark oxygen ... minerals from the deep sea. The company’s plans have triggered a race to get rules in place before any mining starts. But there’s so little that humans ...

The largest biome on Earth, the deep-sea is a dark, barren place and the distance between individuals that live there can be vast, Kenaley said. Most animals in this realm produce their own light ...

Called dark oxygen ... Geiger said to NPR. The deep-sea mining needs to be "done on a level and at a frequency that is not detrimental to life down there." ...

Researchers have discovered a remarkable new species of sea slug that lives in the deep ... we spend more time in the deep sea, particularly below 2,000 meters. For there to be a relatively ...