Deep-sea mining could unleash clouds of debris that threaten a mysterious, vital ecosystem we barely understand.

There's more riding on this than it may seem. If dark oxygen is, in fact, being produced, it could support deep-sea ecosystems that we know little to nothing about. Conservation groups ...

Bizarre creatures like vampire squid and blobfish make their home in the dark, cold, depths of the deep sea, but most of this ...

Unsurprisingly, most direct observations of the deep sea occurred in the waters around wealthy countries ... The former is ...

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 ...

In 1982, geologist Martin Hovland sat aboard a research ship owned by the Norwegian oil company Statoil (now Equinor) in the ...

Norwegians haul up from the deep a sea lily, a living fossil previously ... Prince Albert of Monaco starts to probe the sea's dark midwaters, discovering new kinds of eels, fish, and squid.

The silver spinyfin has an extraordinary diversity of rod photopigments, which researchers propose may allow it to see color in the deep, dark sea. After a year teaching an algorithm to differentiate ...

Like many creatures that inhabit the dark depths of the sea, dragonfish survive thanks ... studied two species—Malacosteus niger and Photostomias guernei—of deep-sea dragonfish that are sexually ...

By Maya Wei-Haas Maya Wei-Haas previously reported on the final expeditions of a deep-sea drilling research ship. Andrew Wozniak, a chemical oceanographer at the University of Delaware ...

Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same mutation across fish species that have evolved on separate timelines ...