The Permian Period, which lasted from about 299 to 252 million years ago, was one of the most fascinating and dangerous times in Earth’s history. It ended with the largest mass extinction ever ...

Christian Sidor is a professor in the UW Department of Biology and curator of Vertebrate Paleontology at the Burke. And for the last 18 years, he’s been traveling back and forth to Zambia and Tanzania ...

A new study reveals that a region in China's Turpan-Hami Basin served as a refugium, or "Life oasis" for terrestrial plants during the end-Permian mass extinction, the most severe biological crisis ...