Learn why the temnospondyls' inability to evolve eventually did them in when mammals and dinosaurs appeared on the scene.

This extinction event occurred 252 million years ago and was most likely triggered by a cascade of volcanic eruptions. ​​ Though 90% of life perished, some species survived despite the environmental ...

In a wetland of central Taiwan, a “slender” creature poked its “triangular” head out of a mud nest and made an ...