The thunder of hooves once shook the vast North American plains as millions of bison roamed free, sculpting the landscape in ...

Trump administration-led funding cuts and expansion of oil and gas drilling will impact conservation. Boulder Weekly ...

Independent scientists said this latest effort doesn’t mean dire wolves are coming back to North American grasslands any time soon ... genetically alter cells from living species to create animals ...

Independent scientists said this latest effort doesn’t mean dire wolves are coming back to North American grasslands any time ... from living species to create animals resembling extinct woolly ...