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.

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.

But what exactly differentiates a sea from an ocean? While size is ... feet (3,682 meters), with the deepest point, the Challenger Deep in the Mariana Trench, reaching approximately 36,070 feet ...

The Kermadec Trench sits off the eastern ... Polynesian islands of the South Pacific Ocean. Researchers suggested follow-up surveys both for deep-sea sea cucumbers specifically and for exploring ...