The ocean covers more than 70% of our planet’s surface, yet we’ve explored less than 5% of it. Below the sunlit waves lies an alien world of crushing pressure, eternal darkness, and bone-chilling cold ...

Discover scary marine animals with names that sound like horror movie titles, from the black seadevil anglerfish to the dead man's fingers.

Add Yahoo as a preferred source to see more of our stories on Google. What are these strange creatures washing up on Texas beaches, and why are they dying? Here's what the experts have to say.

The ocean is a fascinating place. It’s deep, it’s vast, and we really know nothing about it. And some of the creatures that live here? They are absolutely terrifying. Some just look scary, others ...

Add Yahoo as a preferred source to see more of our stories on Google. The Mariana Trench is so deep that sunlight never reaches its bottom, and the pressure can crush ordinary machines. Despite these ...

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The animal in the video is a predatory sea slug called Melibe viridis, a type of nudibranch found in Indonesian waters. To feed, it uses a large, expandable oral hood like a net to capture small ...

With the look of something out of a science fiction movie, a strange sea creature has caused quite a stir after a video showed it swimming in the Pacific Ocean. Known as a feather star, the ...

Centuries before modern science could more accurately explain the natural world, brief animal sightings often inspired terrifying legends of mysterious beasts, scaled dragons, and sea serpents. These ...

Texas is simply crawling with curious critters, and according to a respected research institute, "thousands and thousands" of creepy creatures are showing up on the Gulf Coast because of a "mass die ...