A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

Mineral formations in caves reveal recurring periods of humidity in the Arabian Desert over the last 8 million years.

A new study reconstructing the Arabian Peninsula’s ancient past adds clues to how early humans left the African continent.

Looking for some things to do in Tucson, Arizona? This college town has plenty of outdoor activities and historic landmarks ...

The Sonoran Desert is beckoning adventurers and seekers of relaxation to explore Tucson’s vast area of natural attractions.

From the Valley Metro to Tucson and beyond, names like James Dugan, Randall McDaniel and Terrell Suggs headline the all-star rosters alongside greats such as Kenzie Fowler, Jacquelyn Johnson and ...

The vast desert of the Arabian Peninsula was not always an arid landscape. A recent study reveals that this region was once home to a vast lake and river system. These favorable conditions fostered ...

Nature enthusiasts can explore the beauty of Arizona’s desert landscape this month through two free events hosted by the Desert Awareness Committee and the Holland Center.

A couple of joggers who knew better were testing the hills of Omaha, Nebraska anyhow at the 1986 College World Series.

Arizona is well known for its beautiful desert habitat. But there are also plenty of lakes you can visit, despite the arid ...

The hike to the top of this magnificent trail in Arizona is arguably the state's most challenging, but the views make it ...