Learn how fossils from Arizona’s Petrified Forest National Park revealed that a Late Triassic crocodile relative may have started life on four legs before walking on two as an adult.

It's quick and easy to access Live Science Plus, simply enter your email below. We'll send you a confirmation and sign you up for our daily newsletter, keeping you up to date with the latest science ...

Teaching faculty in the University of Wisconsin Integrative Biology Department Scott Hartman spoke on how thermal modeling is an effective tool for predicting the End-Triassic Extinction period Sept.

83 p., [4] p. of plates : ill., maps ; 28 cm ...

Long before dinosaurs became dominant, the Triassic world was ruled by archosaurs whose true behavior is still debated by scientists. Fossil evidence suggests these animals relied on ambush, speed, ...