The most dangerous sea creatures in the world don't always have large teeth like great white sharks or weigh over 10 tons (9 ...

Researchers were baffled by a bioluminescent mollusk that lives in the deep ocean. They just discovered it's a new species of ...

The ocean holds many bizarre deep-sea monsters ... This thrilling deep-sea fish was voted the world's ugliest animal by the Ugly Animal Preservation Society. But its jelly-like skin looks much ...

In a strange episode in the animal kingdom, a captive marine animal merged with another of its kind to become a single ...

An unusual sea slug with a large hood, a tail with fingerlike projections and glowing bioluminescence has been found living ...

Hunted nearly to extinction during 20th century whaling, the Antarctic blue whale, the world's largest animal, went from a population size of roughly 200,000 to little more than 300. The most recent ...

explain how adaptations of animals enable them to survive in different environments ... Echinoderms are found in ocean ecosystems worldwide, from rocky shores to the deep sea.

MBARI researchers have discovered a remarkable new species of sea slug that lives in the deep sea. Bathydevius caudactylus ...

These are the parts of the ocean where there is too little oxygen to support large animals. Fossils are also a key to establishing baseline data. Historic collections tell us exactly where different ...

Stories have surfaced of animals such as polar bears fighting off new diseases, and sometimes losing that fight.