This seems to have solved the mystery of how the starfish got its arms. But it doesn’t necessarily answer the ‘why’. Imran ...

The fossil, Atlascystis acantha, is the oldest known echinoderm with a bilateral body plan. It bridges the evolutionary gap between the closest living relatives of echinoderms, all of which have ...

A new species of dinosaur, Enigmacursor mollyborthwickae, a two-legged herbivore from the famous Morrison Formation in the USA, has been officially recognised by science – and from Thursday 26 June is ...

Garden snails and aphids are venomous animals. This is the startling outcome of a new study that argues for a radical shift ...

A new study released today shakes up the scientific understanding of venom and proposes a radical redefinition that means the saliva of aphids and chemicals released by slugs will join the bites of ...