Long before dinosaurs became dominant, the Triassic world was ruled by archosaurs whose true behavior is still debated by ...

Mass extinction events throughout Earth’s history are characterized as significant disruptions to life on the planet. There ...

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 ...

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

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 ...

Christian Sidor, Burke Museum curator of vertebrate paleontology and a biology professor at the University of Washington, recounts the discovery of Triassic fossils. (GeekWire Photo / Alan Boyle) More ...

"Triassic specimen found to be early relative of pterosaurs a century after its discovery." ScienceDaily. www.sciencedaily.com / releases / 2022 / 10 / 221005111943.htm (accessed February 6, 2026).

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 ...