A cataclysm engulfed the planet some 252 million years ago, wiping out more than 90% of all life. Known as the Great Dying, the mass extinction that ended the Permian geological period was the worst ...

Our species likes it cold. Homo sapiens evolved in — and still inhabits — one of Earth’s rare and fragile ice ages, periods distinguished not by an abundance of saber-toothed cats and woolly mammoths ...

The biggest mass extinction of all time happened 251 million years ago, at the Permian-Triassic boundary. Virtually all of life was wiped out, but the pattern of how life was killed off on land has ...

Before the dawn of the dinosaurs, there was Soccoropteris cancellarei. The plant, which was found in Socorro County, is a newly discovered species that would have lived about 290 million years ago, ...

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 ...

Higher oil and gas production partly offset the impact of lower oil prices. Third-quarter net production reached 4.8 MMboe/d, ...