Deep beneath the ocean’s surface lies a world so strange that some of its inhabitants look more like creatures from a science fiction movie than animals living here on Earth. With no sunlight, ...

In 2000, biologists on Australia’s Great Barrier Reef took tiny tissue samples from 76 sea cucumbers, put them back on the ...

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.

Twenty-four species of deep-sea crustaceans that had never been documented before have been formally described from the Clarion-Clipperton Zone, a vast stretch of the central Pacific Ocean floor where ...

Blue jellyfish-like sea creatures are once again washing up along the Northern California coast, drawing crowds and curiosity at local beaches. Thousands of the creatures, known as velella velella and ...

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 ...