A Stygiomedusa gigantea, commonly known as the giant phantom jelly, was filmed at 250 meters below the surface.

During a dive off Argentina, scientists documented a rare jellyfish discovered a little over a century ago and seldom seen since, as well as the fish that keep it company.

The elusive deep-sea creature typically lives over 1,000 meters below sea level, but was seen at around 250 meters. The discovery came amid findings of vast coral reefs and suspected new species.

Fish consider the ocean their own personal toilet. Well, researchers found out that's not such a bad thing! Hosted by: Hank ...

Sharks have a branding problem. For many people, the word alone conjures images of horror: sleek predators stalking through ...

Malaysia’s coral reefs are shrinking at a pace that is hard to ignore. According to the latest national survey by Reef Check Malaysia, about one-fifth of the country’s coral cover has been lost since ...

An expedition across Argentina's entire coastline leads to the discovery of new species and the true extent of the Bathelia ...

Researchers captured stunning video of a rare deep sea jellyfish during a recent expedition off the coast of Argentina.

The marine biologists of the Schmidt Ocean Institute are a busy bunch. Over the last few years, scientists aboard the research vessel Falkor (too) have spotted rare Antarctic squid, discovered ...

In the mesmerizing footage, captured via an autonomous submersible known as ROV SuBastian, the Goliath sea jelly is seen ...

A recent deep sea exploration off Argentina's coast revealed an incredible video of a giant jellyfish that can grow to be as ...