Scientists discover underwater mountain ranges, golden towers of coral, and never-before-seen sea creatures.

New research reveals that deep-sea mining could dramatically threaten 30 species of sharks, rays, and ghost sharks whose habitats overlap with proposed mining zones. Many of these species, already at ...

I spent years preparing to dive into the deepest place on earth. Only a handful of people have traveled into the depths of the Mariana Trench, nearly 7 miles below the ocean surface. As a geologist ...