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

The prehistoric crocodile relative may have tolerated both freshwater and saltwater habitats, allowing it to conquer North ...

More than 22% of native pollinators in North America are at an elevated risk of extinction, the research found. Researchers blame habitat loss, pesticide use and climate change for the problem. People ...

New research published in the journal Ornithology shows that Lesser Goldfinches, a small songbird traditionally found in the ...

Twelve prairie dog pups are now on display at Boston's Franklin Park Zoo, officials announced Friday. Pups are born blind and ...