Kevin Costner has reportedly embarked on a deep-sea treasure hunt following the publication of a bombshell exposé about him.

Costner and an underwater archaeologist met while exploring a Portuguese shipwreck, and have said they wanted to team up and ...

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 ...

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

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

Deep-sea diving can be an incredible experience with countless coral beds and marine life to explore. However, as one diver recently discovered, these explorations aren’t without their risks. A video ...

COLUMBIA, S.C. (WIS) - The surface of the Earth is about two-thirds water, but how much of the world’s deep seas do you think we’ve explored? Dr. Katy Croff Bell founded the Ocean Discovery League and ...

What's the worst job you can think of? Anything that involves being stranded at the bottom of the ocean tops the list for me. That's why I'm honestly glad I didn't catch "Last Breath," the ...

You work 12 hours a day, seven days a week, in the middle of the Gulf of Mexico. And every day is a crapshoot at the bottom ...

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