A Flagstaff-based hub for regional science -- and for the protection of the Grand Canyon and the Colorado River -- could be ...

The Pinyon Plain uranium mine near the South Rim of the Grand Canyon achieved its highest ... The release also touted higher-than-expected ore quality. President and CEO Mark Chalmers said in ...

These National Park Service sites in Arizona are great alternatives for travelers who want Grand Canyon scenery while ...

Such a sentiment explains the appeal of the Grand Canyon Railway, a heritage train that takes people from a historic depot in the Route 66 city of Williams, Arizona ... views of a high desert ...

At least 16 people have died at the Grand Canyon in Arizona this year ... signs warning visitors that temperatures can reach as high as 120 degrees during peak hours of the day.

including the 12,633-foot high Humphrey’s Peak, Arizona’s tallest mountain. Alert passengers may even catch a glimpse of the North Rim of the Grand Canyon in the distance. In an automobile ...