Glittery sea worms and sea squirts fit for "The Lord of the Rings" universe might sound like pure fantasy, but they're very ...

The ocean is still one of the biggest mysteries on Earth, and the deeper you go, the stranger it gets. Far below the surface, ...

When most of us picture the ocean, we imagine turquoise waves, colorful reefs, and shoals of darting fish. But that’s only the surface. Venture deeper, far below the last reach of sunlight, and you ...

Deep-sea creatures in the trenches of Japan’s volcanically active "Ring of Fire" belt are rapidly adapting to immense depths, scientists found. These observations were part of a crewed submersible ...

For all of humanity’s ventures to outer space, we’ve yet to see 99.999% of the deep-sea floor. In the latest subaquatic news, researchers discovered some 4,000 marine species, 88% of which were new ...

Thousands of feet deep in the South Pacific Ocean, a pair of scientists piloted a submersible through the dark waters and scanned the seafloor. Some pale creatures with dozens of tentacles caught ...

A group of “rarely seen” Gervais’ beaked whales was recently spotted near Madeira, a Portuguese archipelago, photos show. Screengrab from the Magic Dolphin ecotour agency A mysterious group of ...

A rarely seen giant phantom jellyfish — a deep-sea creature with arms that can stretch up to 10 meters long — has been captured on camera off the coast of Argentina, offering scientists a rare glimpse ...

The elusive deep-sea creature typically lives over 1,000 meters below sea level, but was seen around 250 meters below sea level Scientists filmed a rare giant phantom jellyfish off Argentina during a ...

Add Yahoo as a preferred source to see more of our stories on Google. A rarely seen giant phantom jellyfish — a deep-sea creature with arms that can stretch up to 10 meters long — has been captured on ...