In the twilight depths of the Gulf of Mexico, about as deep down as a football field is long, U.S. Navy divers carefully snip ...

In Last Breath, based on an incredible true story, deep-sea diver Chris Lemons survives after not breathing for 29 minutes – ...

“It’s the unknown,” says Erich Hoyt, author of Creatures of the Deep: In Search of the Sea’s Monsters and the World They Live In. “You look out on the ocean and you might see a dolphin ...