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 ...

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, ...

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.

In July and August scientists onboard the Schmidt Ocean Institute’s research vessel Falkor (too) spotted the oddities through the eyes of an underwater robot as they explored the Mar del Plata Canyon.

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

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

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

Organisms in the deep sea rely on gravity flows to lay down sediment and then make burrows beneath the seafloor, according to a new study. Reading time 3 minutes Animals living in one of Earth’s most ...

In the deep ocean, where sunlight never reaches, and food drifts down like confetti, survival is less about speed and more ...

Some 390 million years ago in the ancient ocean, marine animals began colonizing depths previously uninhabited. New research indicates this underwater migration occurred in response to a permanent ...

Over the long and complicated course of evolutionary history, mammals independently turned towards water to make a home ...