One of Colorado’s gray wolves released into the state as part of a reintroduction effort has died in Rocky Mountain National ...

Colorado’s collared gray wolves continued to travel widely last month — even roaming in watersheds that reach into the ...

After being delayed a day, Colorado Parks and Wildlife published the April wolf activity map that shows extensive travel from ...

A gray wolf has died in Rocky Mountain National Park, Colorado Parks and Wildlife said, marking the third wolf translocated from Canada to Colorado to die since their release in January.

Smithsonian American Art Museum, Gift of George D. Pratt. The Smithsonian Institution came of age in the era of Manif ...

Battered by Antarctic gales in Patagonia's southern Andes, I met my biggest outdoor challenge yet—and walked away much ...

The city of Tucson, Arizona, sits on America’s southern border, surrounded by the cactus-strewn landscapes of the Sonoran ...