Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's evolutionary history, numerous mass ...

Learn how geological clues preserved in ancient oceans link repeated volcanic eruptions to Triassic marine extinctions.

Contributed by Kea Giles, Managing Editor, GeologyBoulder, Colo., USA: Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's ...

Widespread volcanic eruptions around 202 million years ago had a profound effect on Earth’s climate, triggering a mass extinction event that killed off three-fourths of the planet’s species, including ...

It was relatively small compared to the giants that would follow it later in Earth’s history. With a hip height of approximately 0.3 meters (about a foot) and a length of perhaps a meter (roughly ...

My, what big feet you have. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A dinosaur that lived in Australia 220 million years ago left behind ...

In the north of Italy, high up on a rocky cliff face, a casual observation has revealed one of the greatest discoveries of dinosaur tracks on the European continent. It all began when a wildlife ...

When Brooks Britt, a geological sciences professor at BYU, searched through the latest Triassic sandstone samples in his lab, he expected to find bones of early crocodiles and dinosaurs. Instead, he ...

"Triassic specimen found to be early relative of pterosaurs a century after its discovery." ScienceDaily. www.sciencedaily.com / releases / 2022 / 10 / 221005111943.htm (accessed January 8, 2026).