This previously unknown symbiotic relationship helps keep methane—a major greenhouse gas—trapped in the ocean.

7 sea creatures we can’t believe are real. From mysterious colossal squid to the ferocious pram bug, these creatures are stranger than fiction.

Spider-like creatures living near methane seeps on the seafloor appear to cultivate and consume microbial species on their bodies that feed on the energy-rich gas. This expands the set of organisms ...

The odd-looking sunfish has a large, flat, round body with small fins. (Bill Hopper) The depths of the sea hold life forms that are truly beautiful, truly ...

I know a hundred of those guys.’ I instantly felt confident and excited about my take on the character.” As for all those years spent in “CW pretty boy” jail, they made him all the more grateful for ...

Octopuses have a few characteristics that make them stand out as one of the most intelligent mollusks in the ocean. These ...

Scientists are unraveling the mysteries of the ocean’s squishiest creatures—including one jelly that might be the oldest ...

After the success of "Gossip Girl", Chace Crawford was reduced to just his looks. The actor felt like he was in a "Pretty Boy ...

The colorful animal was about 3 feet long and covered in “fresh-looking sucker marks” and “scratches,” researchers said. It ...

As temperatures drop, a giant of the sea is migrating north, with some 40,000 to pass Sydney on a journey from Antarctica to ...

The ocean covers more than 70% of the Earth’s surface, yet more than 80% remains unexplored. Here we virtually plunge into the most mysterious parts of our watery world.