A hiker escaping summer heat in the Italian Alps in 2023 spotted unusual markings on a rock—fossilized footprints from creatures that lived 280 million years ago, long before dinosaurs appeared.

File under ferocious predators we wouldn't want to meet during a swim on ancient Earth: the newly discovered Gaiasia jennyae was a large-fanged, salamander-like swamp creature with a skull around 60 ...

Apr. 23—Tradition or myth holds that the Permian Basin's rich oil and natural gas formations were made from the bodies of dinosaurs, which is an evocative answer that's more fancy than fact. In fact, ...

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, but their ...

From saber-toothed synapsids to global collapse, the forgotten predators of the Permian ruled a world on the brink of ...

The sun shines through the clouds as it begins to set behind a pumpjack, March 30, 2022, outside of Goldsmith, Texas. (Odessa American File Photo) Tradition or myth holds that the Permian Basin’s rich ...