Therapsids, the ancient relatives of mammals, once roamed Earth in great numbers during the middle to late Permian period.

Beneath the towering Guadalupe Mountains of Texas lies a dramatic story of transformation. Once part of an ancient sea, the fossilized Capitan Reef now forms craggy peaks and iconic cliffs like El ...

The fossils found in the Italian Alps offer more than just a window into an ancient world-they provide valuable lessons for today. By studying the Permian period's ecosystems, scientists can ...

For years, a mysterious fossil specimen defied categorization, until one paleontologist made a surprising discovery.

The fossil seems to date back toward the end of the Carboniferous period and into the Permian period, which took place about 300 million years ago, Calder told the news agency. Those time periods ...

In addition to the fossil record, scientists understand ... Toward the end of the Permian period, Earth was reeling from cataclysmic volcanic activity in modern-day Siberia, which ushered in ...