Insects during the Permian era (about 290 million to 250 million years ago) were huge compared with their counterparts today, boasting wingspans up to 30 inches (70 centimeters) across.

Steffensen sent photos to a research team who determined the footprints belonged to a prehistoric reptile that roamed the ...

Insects during the Permian era (about 290 million to 250 million years ago) were huge compared with their counterparts today, boasting wingspans up to 30 inches (70 centimeters) across.

Long before T. rex, the Earth was dominated by super-carnivores stranger and more terrifying than anything dreamed up by ...

The Middle Permian period marked the end of the Paleozoic era, roughly 251 to 299 million years ago. A close-up of the wings of the newly discovered insect Theiatitan azari.

A Permian-era Diaphanopterodea insect fossil, dating back about 300 million years, has been found for the first time in Yangquan, North China's Shanxi Province, according to a report by local ...

As the gas reached its peak during the Permian, the insects were at their largest. As levels later fell, the insects shrank.

Here are five reasons the Permian-Triassic boundary was the best extinction, even though it was also the worst. It ended the reign of giant insects ...

Tiny plant and insect fossils provide unique insight into an ancient ecosystem that would, later, be altered by climatic shifts. The analysis suggests that there was a mass extinction event at the ...