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 ...

The deep ocean is home to the largest ecosystem on Earth, but we’ve only explored a tiny portion of it. Despite the enormity of our seas, new species are discovered all the time thanks to ...

Researchers descended more than 35,700 feet (10,900 meters) below sea level to collect biological samples that revealed surprising diversity. And also trash. Reading time 3 minutes Earth’s hadal zone ...

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 ...

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 ...

The deep-sea's midnight zone, a realm of crushing pressure and absolute darkness, harbors extraordinary creatures. These animals have evolved remarkab ...

This story has been updated to reflect that Tåno, Tåsi yan Todu is based in the Mariana Islands. A previous version of the ...