Supai started life in a pack of wild dogs on the Havasupai Indian Reservation. Here's how she was named the "happiest pet on ...

"The Grand Canyon is an epic Rosetta Stone for geology," Denver Museum of Nature and Science geologist James Hagadorn said.

Fall is one of the best seasons for outdoor adventures. If you’re itching to explore scenic trails and breathe in fresh air, ...

The Arizona State Sun Devils square off against the Grand Canyon Antelopes at Footprint Center in Phoenix, Arizona ...