The Texas coastline is seeing a rare and unusual sight: thousands of mysterious sea creatures washing ashore after what experts are calling a “mass die off.” The creatures, commonly known as sea ...

Along the rocky coast of eastern Italy at night, researchers scanned a tide pool in hopes of seeing something interesting. A "leaf"-like sea creature caught their attention - and for good reason. It ...

A surprising mystery has been uncovered off the coastlines of Britain’s Caribbean territories. The first expedition revealed an underwater mountain range, a massive blue hole, and coral ...

Forget Bigfoot. Some of the ocean's rarest animals have been spotted far less often than mythical monsters. Many live in the twilight zone, 650 to 3,300 feet below the surface, where just enough ...

Scientists on California’s Central Coast recently spotted a giant, evasive seven-arm octopus while on a research expedition in Monterey Bay.The rare creature, called Haliphron atlanticus, was seen by ...

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 ...

A young rock-pooler discovered a rare 'alien-like' winged creature washed up on a UK beach. Charley Taviner, five, was following a crab when he found what he thought was a huge lump of seaweed. But it ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...

Add Yahoo as a preferred source to see more of our stories on Google. Jace Tunnell, of the Harte Research Institute in Corpus Christi, holds an assortment of heart urchin skeletons, more commonly ...