Learn how tracking data shows that manta rays plunge more than 4,000 feet down in the deep sea not to hunt, but to find their ...

Earth's vast oceanic biodiversity remains largely unexplored, with only a fraction of an estimated two million total living ...

Scientists warn deep-sea mining could harm sharks, rays, and ghost sharks. Their habitats overlap mining zones.

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 ...

A recent Schmidt Ocean Institute expedition off the coast of Uruguay discovered at least 30 suspected new species and explored a sunken warship.

A 2022 deep-sea voyage discovered a glowing shark and a delicate, porcelain crab species off the coast of Western Australia.

Learn more about the array of deep-sea creatures uncovered during the recent voyage.

The gulper eel ( Saccopharynx lavenbergi), also called a pelican eel, is roughly a meter of tail and mouth. This unusual fish, the only species in the genus Eurypharynx, slinks through the water as ...

The deepest part of any of the world’s oceans, known as Challenger Deep, is a portion of the Mariana Trench that goes down to ...

Photos taken by blackwater divers offered a new glimpse into the early life stages of marine fishes and their interactions ...

Scientists have found that oceanic manta rays routinely make extreme dives of more than 1,200 meters – three-quarters of a ...

While they might look harmless, experts say a Portuguese man o’ war could leave a painful sting you won’t forget.