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

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 ...

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 ...