Dive into the depths of the ocean to discover seven rare deep-sea creatures so strange and elusive, you won't believe they ...

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 ...

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 ...

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 ...

The Rock Pool Project in Plymouth says the non-native sea hare looks "alien-like".