Deep sea holds alien-like species. The frilled shark, a living fossil, remains a mystery. Its unique anatomy includes six frilled gill slits and a trident-like mouth. This predator hunts with stealth, ...

These spheres from the abyss conceal creatures with startling biology.

The ocean is full of surprises, and scientists are still finding creatures that seem almost unreal. From tiny reef animals to ...

An incredibly rare deep-sea fish has been spotted on the California coast.

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

Ted Judah went diving off McAbee Beach in Monterey Bay when he caught sight of a 'silvery knife blade undulating thing,' ...

Wondering about the world's weirdest sea creatures? We've compiled this list of the 20 weirdest animals in the ocean to show ...

The rockhead, or deep-pitted, poacher may use its ribs to beat the inside of its head cavity to communicate with other ...

“A rare Mola mola (ocean sunfish) washed up on our shore at Cardiff State Beach today,” San Diego State Lifeguards stated Wednesday via Instagram. “It’s the heaviest bony fish on earth and can weigh ...

Nature often outperforms imagination. While fantasy films rely on CGI and special effects, the real world quietly hosts ...

Scientists have identified a brand-new species of worm living in the Great Salt Lake, marking only the third known animal ...