These creatures are so fragile that the moment they are pulled out from the water, they collapse and disappear.

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

An alien-like creature ‘from another planet’ has washed up on a UK beach and been identified as a rarely seen sea creature. Georgina and Rob Pope were walking their dog, Nona, at Pakefield, Suffolk, ...

Charley Taviner, five, was following a crab when he found what he thought was a huge lump of seaweed. But it turned out to be Aplysia depilans - or the "Mediterranean sea hare" - a species rarely seen ...

Thousands of strangers on the internet just collectively named a deep-sea creature that lives on sunken wood at the bottom of ...

It secretes toxins and is a very unusual find ...

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...

Everything really is bigger — and stranger — in Texas. This year proved the Lone Star State is full of wild surprises after several Texans spotted some rare and unusual encounters with sea creatures ...