Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be making oxygen in the absence of sunlight? Some scientists think so, but others have challenged the claim that so-called "dark ...

Marine scientists who made headlines last year with their discovery that deep sea nodules could be producing “dark oxygen” are embarking on a three-year research project to explain their findings.

A giant group of crabs filmed 1,350 feet below the surface in San Antonio Canyon. Credit: Schmidt Ocean Institute / YouTube A deep sea robot is exploring remote underwater canyons. And the biodiverse ...

Nearly 4,000 m beneath the Pacific, in water so dark that sunlight has never penetrated, scientists have stumbled on a new way that oxygen can appear where it should not exist. The finding, quickly ...

Clare Fieseler's and Jason Jaacks' reporting was supported by a grant from the Pulitzer Center and co-published with the Post and Courier. Rachel Feltman: For Scientific American’s Science Quickly, ...