Challenger Deep sits at the bottom of the western Pacific’s Mariana Trench, roughly 10,935 meters below the ocean surface.

Marine researchers exploring extreme depths say they have discovered an astonishing deep-sea ecosystem of chemosynthetic life that’s fueled by gases escaping from fractures in the ocean bed. The ...

Only a scattering of light penetrates the deep water, more than 300 feet beneath the ocean surface off the coast of Guam. It’s like twilight to the human eye, even in the middle of the day. This part ...

Learn how likely new Arctic deep-sea species could help researchers map fragile sponge gardens and hydrothermal vents before mining plans return.

A new study led by researchers at the University of Hawaii (UH) at Mānoa published in Nature Communications is the first of its kind to show that waste discharged from deep-sea mining operations in ...

When we dream of landscapes, we might imagine rolling valleys or rugged mountains. But there is a whole landscape hidden from human view: the secret world of the seafloor. Half of Earth’s oceans are ...

A company called Orpheus Ocean wants to go “deep for cheap.” Smack dab between Australia and South America, the US National Oceanic and Atmospheric Administration (NOAA) research vessel Rainier is ...

From deep sea ghost sharks to symbiotic worms and unusual crustaceans, scientists have identified 1,121 new marine species in a single year through the Ocean Census initiative.

Researchers have for the first time reconstructed the three-dimensional structure of powerful vertical ocean currents off ...

We analyse outputs from both climate mitigation scenarios and an energy balance model to investigate how deep ocean processes shape centennial-scale trajectories of global mean surface temperature ...