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 ...

A newly discovered deep-sea creature has become an unlikely Internet star. After appearing in a popular YouTube video, a rare ...

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 ...

Its presence could make a minuscule fish downright jelly. Scientists were awestruck after discovering a schoolbus-sized phantom jellyfish off the coast of Argentina, as seen in incredible footage shot ...

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".