A Colorado zoo's field team was in for a surprise when they unpacked their truck and found that a wild marmot had hitched a ...

Zoo staff weren’t entirely sure what the takeover they put a stop to would’ve looked like, but knew they didn’t want to see a ...

Many zoo-goers found their plans cut short last weekend when the Denver Zoo unexpectedly closed. Zoo staff made the decision ...

A new dinosaur species unearthed from the famed Morrison Formation in Colorado has been identified, according to a journal ...

Beezler, the old Asiatic black bear in human care in the country, was euthanized Sunday morning at Cheyenne Mountain Zoo. She ...