I've been to the Mariana Trench. The choice is clear: Protect one of earth's last frontiers or destroy it before we even understand what we're losing.

Rehabilitated in Florida, a tagged loggerhead named Pyari may reveal how injured turtles adapt to currents, feeding, and migration.

It’s impossible to ignore a new discovery known affectionately as the death ball. And there’s a good reason to pay attention to this creature: it represents a group of organisms that scientists are ...

Six projects will investigate innovative approaches that could help slow Arctic sea ice loss and reduce escalating ...

Scientists discovered a giant underwater mountain. And it's teeming with deep sea life. An endeavor aboard the Falkor (too) — a 363-foot (111-meter) research vessel operated by the Schmidt Ocean ...

For the world’s smallest sea turtles, life in the ocean is getting pretty noisy. These relatively little turtles (on average ...

There's only one sea on Earth that doesn't touch land ...

Add Yahoo as a preferred source to see more of our stories on Google. This undated image provided by the Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences shows tubeworms in ...

A 17-year study shows that warmer oceans and falling food supply are causing sea turtles to nest earlier but lay fewer eggs.