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 ...
Fossil evidence from North China suggests that some ecosystems may have recovered within just two million years of the end-Permian mass extinction, much sooner than previously thought. Tropical ...
Parallel title from added title page. "NSG publication no. 20000805"--back of added title page. Originally presented as the author's thesis (doctoral)--Universiteit Utrecht, 2000. BOT copy ...
The forerunners of dinosaurs and crocodiles in the Triassic period were able to migrate across areas of the ancient world deemed completely inhospitable to life, new research suggests. In a paper ...
Despite Earth's most devastating mass extinction wiping out over 80% of marine life and half of land species, a group of early reptiles called archosauromorphs not only survived but thrived, venturing ...
The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...
The Triassic is a geologic period of the Mesozoic Era spanning approximately 252 to 201 million years ago, immediately following the Permian–Triassic mass extinction and preceding the Jurassic. It is ...
Roughly 252 million years ago, Earth experienced its deadliest known extinction. Known as the Permian–Triassic Mass Extinction, or “The Great Dying,” this cataclysm wiped out over 80% of marine ...
A previously misidentified Triassic cynodont has been confirmed as a new species, revealing a surviving lineage of early ...
Introduction -- Planetary time scale / Kenneth L. Tanaka and William K. Hartmann -- Precambrian / Martin J. Van Kranendonk, James Gehling, and Graham Shields -- Cambrian period / Shanchi Peng and ...