A replica fossil of the titanosaur Patagotitan , one of the largest dinosaurs ever discovered. It would have weighed about 70 tons (63.5 metric tons.)
Spencer Platt/Getty Images News via Getty Images
Some of these giant vegetarians were as tall as a 3-story building. Microscopic analysis of their teeth, bones and eggshells reveals how they grew, what they ate and even their body temperature.
Shutterstock
Small holes in baby dinosaur bones add to the growing mass of evidence that the ancient creatures were warm-blooded and highly active.
An analysis of the skull suggests the ankylosaur may have had a poorer sense of smell than its counterparts in the northern hemisphere.
Ruairidh Duncan
A detailed study of ornithopod jawbones from a single site reveals a high dinosaur diversity in Victoria during the late Early Cretaceous.
Tyrannosaurus rex was a relentless predator who lived during the Cretaceous Period more than 65 million years ago.
Roger Harris/Science Photo Library via Getty Images
Ever since moviegoers saw the first ‘Jurassic Park,’ millions have wondered if scientists could make a dinosaur in the lab.