Australian Pleistocene megafauna mass extinction - thylacoleo carnifex

Climate Change Caused Australian Megafauna Extinction, Not Aboriginal Humans

By | Mon, 05/06/2013 - 23:58

New analysis suggests that Australian megafauna were wiped out by climate change in the late Pleistocene era; Aboriginal human activity was not the primary cause of the massive animal extinction.

permian extinction

Single Microbe May Have Triggered World's Largest Mass Extinction

By | Mon, 12/17/2012 - 14:47

About 251 million years ago, 90 percent of the Earth’s species became extinct.