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

The six-wheeled explorer recently captured several red planet mini-twisters spinning on the rim of Jezero Crater. A Martian dust devil can be seen consuming a smaller one in this short video made ...

Winding through towering pines, desert cliffs, and alpine vistas, Mt. Lemmon Highway offers one of the most dramatic ...

Easter is around the corner, and as the weather warms up, some Tucson families are heading up to Mount Lemmon for the weekend ...

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...

The search for 35-year-old Hoi Kei Woo, also known as Patricia, continues on Mount Lemmon. Woo was last seen on April 18, and ...

Details: 9800 E. Ski Run Road, Mount Lemmon. Tour prices vary. skycenter.arizona.edu. The Richard F. Caris Mirror Lab, beneath the University of Arizona’s football stadium in Tucson, is a world ...