Until now, it’s been very hard for scientists to establish a detailed timeline of the early evolution of bacteria.

Paleontologists found a group of four-legged Triassic creatures preserved in the same bone bed—but they don’t know what ...

The discovery of nearly 20 alligator-size amphibians that died together during the Triassic in what is now Wyoming is ...

Researchers from the U.S. have found out that dozens of amphibians, as large as today’s alligators, met a shared fate in a ...

Dozens of amphibians perished together on an ancient floodplain around 230 million years ago, according to a study published ...

For decades, the prevailing theory behind the mass extinction that ended the reign of the dinosaurs has pointed to a ...