and gave rise to new creatures, including rodent-size mammals and the first dinosaurs. By the start of the Triassic, all the Earth's landmasses had coalesced to form Pangaea, a supercontinent ...

Earth’s continents are constantly shifting. About 252 to 199 million years ago, all the continents were actually one huge “supercontinent” surrounded by one enormous ocean. Slowly, this ...

Paleontologists have known something strange happened between the end of the Triassic Period and the beginning ... the Early Jurassic show a spike at a scale not seen in hundreds of millions ...

The Triassic period stands out in Earth’s history ... They were mostly much smaller and meeker creatures, many not much bigger than a cow. One example is Tanystropheus, which had an ...