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

Earlier this week, Time published an explosive story about an American company that reportedly revived a long-extinct species, the dire wolf. To some, it’s a scientific miracle: Some 10,000 years ...

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 ...

In the past couple of decades, several species have been driven to extinction thanks, in large part, to human interference. Sometimes that interference is direct, poaching for big game trophies or ...

Advancing science may make it possible to bring back extinct species like the dire wolf—but should it? CU Boulder environmental studies and philosophy Professor Ben Hale says the answer is complicated ...