Prehistoric animals once roamed — and ruled — planet Earth. Some of them, like the giant sloth or the woolly rhino, were generally gentle. Others, like the saber-toothed tiger and the dire ...

Scientists at the Dallas-based Colossal Biosciences have taken a small step towards their goal of bringing back the woolly ...

Biotech firm Colossal Biosciences is behind the effort to resurrect the prehistoric elephant ancestor, believed to have gone extinct between 4,000 and 10,000 years ago. Colossal Biosciences ...

Scientists still debate the purpose of this dinosaur's iconic horns and spiky head plate. Find out what we’ve learned about how Triceratops lived and why it went extinct. Triceratops’ enormous ...

However, there were also other incredible prehistoric animals. After the extinction of the dinosaurs during the Cretaceous mass extinction (the fifth mass extinction) about 66 million years ago ...