A scary-looking creature with “devil” in its name was spotted close to the surface off Tenerife, a Spanish island.

This is only the second time the species has been recorded while alive. “I thought it was A.I.,” says fish biologist Kory Evans.

The animals are not aliens, but giant pile worms, large marine worms that are typically found on the seafloor, but will swarm at the water’s surface to mate, Benjamin Neal, biologist and assistant ...

Deep in the Gulf of Mexico exists a so-called "Jacuzzi of Despair," a pool of oceanic water that kills anything that enters ...

Around the deep-sea vents off the southern coast of Japan, a small, “glass”-like creature was discovered ... Irene Wright is a McClatchy Real-Time reporter. She earned a B.A. in ecology ...

According to myth, cave wyrms are terrifying creatures that live deep inside mountain caves, or sometimes in marshes and fens ...

If that’s not the most bizarre real estate choice in the deep sea, nothing is. The pearlfish takes freeloading to an entirely new level. Instead of dodging predators or finding a normal hiding spot, ...

For the first time, the reality of science fiction movies and ancient scientists’ dreams, such as Leonardo Da Vinci, Plato, Aristotle has taken shape into our real world as well, and the ocean ...

Humpback anglerfish typically are found at depths of up to 1,500 meters below the water's surface, where there is little to ...

A shark research organization came face to face last week with a deep sea creature who isn't known for seeing the light of day. Condrik Tenerife, a shark and stingray research and conversation ...

Researchers say the new footage of the deep sea fish may be the first live sighting of the creature in daylight near the ocean's surface Brenton Blanchet is a writer-reporter at PEOPLE.