Researchers at MBARI, the Monterey Bay Aquarium Research Institute, have been exploring this hidden world for years. Using ...

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

Glittery sea worms and sea squirts fit for "The Lord of the Rings" universe might sound like pure fantasy, but they're very real creatures living in the deep sea. Some of these otherworldly ocean ...

Explore the darkest corners of the abyss with 18 terrifying creatures found at the bottom of the ocean. These are Earth's ...

Far below the ocean’s surface lies a dark, freezing world that few humans have ever seen. In these extreme depths, some of ...

NEW ORLEANS -- The creatures living in the depths of the ocean are as weird and outlandish as the creations in a Dr. Seuss book: tentacled transparent sea cucumbers, primitive "dumbos" that flap ...

Reaching over 30 feet long, the mysterious giant oarfish is the real-life "sea serpent" behind centuries of myths and legends ...

Deep sea expedition off Caribbean islands captured images of unique corals sponges fish species never before documented ...

"We know the surface of Mars or the Moon better than we know the surface of our own planet." Researchers discover never-before-seen creatures in underwater mountain range: 'We still don't know what it ...

From bone-eating snot-flowers to snowboarding scale worms, when a whale dies it becomes a colossal island of nutrients – attracting weird and wonderful creatures to feast.

Deep down in the sea, where no light penetrates and where the availability of food is very low, life somehow exists in ways ...

In total, the team found nearly 300 different types of underwater species during their six week mission. Find out more here.