A dinosaur with a record-breaking name and a body barely a meter long, Micropachycephalosaurus is proof that not all prehistoric creatures were massive. This documentary traces its journey from fossil ...

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

An analysis suggests Nanotyrannus is a separate, smaller dinosaur that lived alongside T. rex, settling a 30-year debate ...