Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest life forms thrive. These deep-sea creatures have evolved in total darkness ...

A giant and rarely seen hoodwinker sunfish has washed up on a beach in northern California, baffling marine biologists and igniting curiosity among beachgoers. The species, Mola tecta, was first ...

When Ted Judah goes scuba diving off the coast in Monterey Bay, he normally swims at the surface to the area above the dive site and then descends. But on the morning of Dec. 30, the water was ...

What started as a quiet night offshore turned into a record-challenging moment for a Florida angler fishing 120 miles off the Alabama coast. Around 4 a.m. on Aug. 1, Taylor Guidry stepped onto the ...

Meet the “ghost fish,” a phantom of the abyss. Here’s how we found the first ever proof of its existence just a few years ago. The deep sea is a part of the world that very few humans get the chance ...

SAN DIEGO, Calif. (KABC) -- This is really the stuff of nightmares. A rare, monstrous-looking fish recently washed ashore in San Diego. It's called the Pacific footballfish, and it's one of the larger ...

Giant phantom jelly sightings are extremely rare, but recent footage shows this extraordinary deep-sea jellyfish in all its ...

Scientists have captured rare footage of remoras, also known as sucker fish, hitching rides on humpback whales off the coast of Australia. Remoras use an adhesive plate on their heads to cling to ...

A hoodwinker sunfish, or Mola tecta, can weigh as much as 4,400 pounds and can grow up to nine feet long Charlotte Phillipp is a Weekend Writer-Reporter at PEOPLE. She has been working at PEOPLE since ...

Some aquarium fish carry price tags that could challenge high-end gadgets, luxury cars, and even some small homes. Yes, you read that right! These tiny beings swimming gracefully in a tank can be ...