Learn about the time period that took place 251 to 199 million years ago. 3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a ...

The Triassic period was a unique episode in Earth’s ... the Triassic – Jurassic and Cretaceous – and ruled Earth’s landscape for 165 million years. Some, like the Tyrannosaurus rex ...

The associated changes in the climate and vegetation affected how dinosaurs evolved. All continents during the Triassic Period were part of a single land mass called Pangaea. This meant that ...

Dating to 280 million years ago, the creatures that created these vivid impressions were alive during the Permian period, a time long before dinosaurs emerged in the Triassic period. The stunning ...

The Triassic period stands out in Earth’s history as the time when dinosaurs first evolved. It was followed by the Jurassic and Cretaceous periods – at the end of the latter, the dinosaurs ...