Spanning 25 miles in diameter, this crater is three times the size of the Grand Canyon, making it the largest ... Researchers from Arizona State University (ASU) and international collaborators ...

Arizona is no stranger to the weird and whacky. From the creepy critters to the head-spinning summer temperatures, the Grand Canyon State ... behind a well-preserved crater. Visitors can take ...

The Trump administration plans to shutter two National Park Service offices in Flagstaff later this year as part of ...

Meteor Crater was created more than 50,000 years ago by a massive meteor strike near Winslow, Arizona. Visitors can ... Space Museum website. Antelope Canyon and Horseshoe Bend Day Tour from ...

From the red rocks of Sedona to the cool forests of Flagstaff, Arizona's small towns make the Grand Canyon a daytripper and tourist hotspot. HGTV is weighing in on the best small town, publishing a ...

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

For more information, visit Sunset Crater Volcano National Monument's website. Grand Canyon Railway Train Tickets (598 reviews) Antelope Canyon and Horseshoe Bend Day Tour from Flagstaff ...