I recently participated in a three-week-long, National Science Foundation-funded research cruise to the Mariana Trench. Our ...

Scientists discovered the 1-foot-long animal while aboard a submersible several miles deep in the Pacific Ocean. Take a look.

A research expedition in the Tonga Trench filmed a Pacific sleeper shark, a slow-moving, opportunistic predator rarely seen ...

These processes enhance the retention of organic carbon, making hadal trenches important sites for carbon burial in the deep sea. The variability in organic carbon deposition rates across ...

TASS/. The developers will upgrade the Vityaz-D deep-sea underwater drone, which submerged to the bottom of the Mariana Trench in May this year. In particular, the drone will be equipped with a ...

The Mariana Trench is the deepest place on Earth, and we're still in the dark about much of the life that calls it home. Here are just a few of the trench's eye-popping residents.

"It looks like we have a great haul of new, undiscovered species," researcher Alex Rogers said. "We will be north of 100 new ...