The de-extinction of dire wolves has proven that science can. As they mull the return of dodos and mammoths next, the ...

Legend has it the Eastern hellbenders slithered here straight from hell and But in the age of humans, that evolutionary asset ...

The first Trump administration built long segments of steel wall on Arizona's border. Conservationists fear wildlife will suffer if work resumes.

Fifty thousand years ago, North America was home to towering giants. Mammoths roamed the tundra, saber-toothed cats hunted in ...