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 ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

The End-Permian mass extinction killed an estimated 80% of life on Earth, but new research suggests that plants might have ...

The Triassic Period was a time of great change ... Between 250 and 246 million years ago, the first ichthyosaurs took to the seas, a group which would eventually dominate the oceans. The origin of ...

Sponges, too, had a resurgence in the disrupted seas that followed the Triassic-Jurassic extinction until ocean ecosystems built themselves up again. Among the most significant mysteries of the ...

"That's your Permo-Triassic transition zone ... capable of killing with staggering swiftness both on land and in the seas. As I spoke with some of the researchers on the killer's trail, I learned ...

The Triassic climate was relatively hot and dry ... Rainfall increased as a result of the large seas appearing between the land masses. These changes allowed plants such as ferns and horsetails to ...

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 ...