Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the International Science-Policy Platform on Biodiversity and Ecosystem Services ...

The dire wolf went extinct around 10,000 years ago. The recent claim that a U.S. biotechnology company resurrected the long-extinct dire wolf through genetic engineering seemed to shock the science ...