M.Ebert/T.Nohl This image shows a new piranha-like fish from Jurassic seas with sharp, pointed teeth that probably fed on the fins of other fish The researchers analysed the jaws and found long ...

Known as sand piranhas, Excirolana chiltoni are tiny crustaceans that nibble at your feet – and draw blood – if you hang out ...

Natural History Museum scientists and their partners across the world named almost 200 species in the last 12 months.