Scientists exploring the deep waters off Argentina's coast captured footage of a giant phantom jellyfish, a rarely seen ...

In a proclamation signed Friday, the President rolled back Obama-era restrictions on the Northeast Canyons and Seamounts Marine National Monument, a 5,000-square-mile preserve southeast of Cape Cod.

It’s the latest twist in the controversial global race to mine the deep sea for rare-earth elements and other valuable ...

On September 7, the Chinese fishing trawler Minjinyu 5179 refused an order by Japan’s coast guard to leave disputed waters ...

A recent deep-sea expedition along the country's entire length documented the jellyfish, along with a surprising number of other species ...

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.

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 ...