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WHERE...A portion of Southeast Arizona, including the following areas, Baboquivari Mountains, Catalina and Rincon Mountains, ...

Technicians at Kitt Peak National Observatory's Cherry Ave. shops on the University of Arizona campus, look over the steel cell upon which the 80-inch mirror will be mounted.

The view of our home galaxy lit up the night sky at the U.S. National Science Foundation's Kitt Peak National Observatory in Arizona.

The darkness of the sky directly above Kitt Peak "has stayed remarkably constant" over the past two decades - a phenomenon that two researchers attribute to local lighting ordinances.

Arizona residents beat the heat with diverse activities, including water parks, night tours, and cultural events.

Beat the heat with our curated list of nighttime activities, including historical tours, sound baths, 21+ events, and adventurous experiences—perfect for summer fun!

Since their first detection, powerful bursts of X-rays from distant galaxies, known as fast X-ray transients (FXTs), have mystified astronomers. FXTs ...

Astronomy’s latest trophy planet, TOI-4465 b, is a lumbering gas giant six times heavier than Jupiter. Its existence came to ...

Infrared astronomy post-doctoral researcher at Kitt Peak National Observatory in Tucson, Arizona and at NASA's Ames Research Center. Professor of physics and astronomy for 12 years at Franklin & ...

Wednesday will bring a new round of more widespread and strong storms to northern and eastern Arizona. Again, storms are forecast to develop in southeastern Arizona. Storm chances increase to 40-60% ...