An incredible 155-million-year-old fossil shows a starfish-like creature cloning itself. The brittle star - a relative of starfish - was frozen in time as it regenerated half of its body.

Sexual reproduction, on the other hand, requires starfish and brittle stars to come together in huge numbers to spawn. The disadvantage of fissiparity is that this type of reproduction can result ...

The specimen is a species of an ophiuroid starfish that still exists and is more commonly known as a brittle star. It will go on display in Dublin's Museum of Natural History. Dr Doyle said it was ...

Ophiojura, discovered living on a seamount deep in the Pacific Ocean, is the last known survivor of a unique group of animals that diverged from its closest relatives way back in the Jurassic period.