This is a road trip down the Historic Route 66 in Winslow, Arizona. We begin in Flagstaff and walk around Northern Arizona ...

Early in the morning of October 6, 2008, astronomers at the University of Arizona detected an asteroid on a collision course with Earth. When other sightings cropped up across the world, the ...

View from the Grand Canyon's South Rim onto Nankoweap Delta. Remnants of a past natural dam created by a landslide are visible on the far side of the Colorado River, just to the left of the dry bed of ...