Scientists found more than 7,000 microbes in the Mariana Trench, revealing unexpected biodiversity in Earth's deepest ocean ...

Cruising at a depth of 8,336 meters (over 27,000 feet) just above the seabed, a young snailfish has become the deepest fish ever filmed by scientists during a probe into the abyss of the northern ...

When photographer Jialing Cai plunged into the ocean in the dead of night, she found creatures of the deep had risen up to ...

A glass squid filmed at 1,725 meters in the Colorado-Rawson submarine canyon. (ROV SuBastian/Schmidt Ocean Institute, CC ...

At the bottom of the world’s trenches, there’s a fish that shouldn’t exist. Here’s how it earned the title of the deepest-living fish on Earth. If you were to drop a camera into one of Earth’s ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...

A red starfish is floating gracefully within a vibrant, blue underwater scene, surrounded by dark rocks and green seaweed.

A new study offers the first direct evidence that deep-dwelling mesopelagic fish, which account for up to 94% of global fish biomass, excrete carbonate minerals at rates comparable to shallow-water ...

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 ...