"How beautiful!" Trail cameras capture unprecedented footage of endangered creature's unique behavior in forest: 'Had never ...

Brookfield Zoo Chicago just got a whole lot cuter thanks to the arrival of a new baby squirrel monkey! And the best part? You ...

More than just a sightseeing trip, our journey to Chinnar Wildlife Sanctuary turned out to be an eye-opening experience ...

Here are six volunteers who make a difference at National Parks and other federal lands, from an 8-year-old who does the ...