About 250 million years ago, at the end of the Permian period, something killed some 90 percent of the planet's species. Less than 5 percent of the animal species in the seas survived. On land ...

Beneath the towering Guadalupe Mountains of Texas lies a dramatic story of transformation. Once part of an ancient sea, the ...

As the Permian period drew to a close, many top predators in southern regions went extinct. Inostrancevia appears to have migrated southward to occupy these vacant ecological roles. This rapid ...

The Permian period’s mass extinction had wiped out ... the Triassic – Jurassic and Cretaceous – and ruled Earth’s landscape for 165 million years. Some, like the Tyrannosaurus rex, emerged ...

Therapsids, the ancient relatives of mammals, once roamed Earth in great numbers during the middle to late Permian period. These land-dwelling creatures would later evolve into mammals ...

A new study reveals how ancient plant ecosystems recovered from the End-Permian ... devastated landscape after the extinction event. However, their dominance was short-lived. A period of intense ...

Scientists later confirmed these were fossilized tracks of five prehistoric species from the Permian Period. The fossils tell the tale of a world on the brink. During the Permian Period ...