Firings, forced retirements and voluntary departures have left the U.S. at risk of more deaths from the nation’s top ...

A groundbreaking study led by University of Arizona astrophysicist and astrobiologist Daniel Apai introduces a fresh ...

Even more essential, there are things to be done for children in general and children in crowded city slums in particular.

A proposed massive complex of 8 to 10 data centers is coming up for a Pima County board vote as soon as June 17, two county ...

The University of Arizona has named six teams as winners of its Big Idea Challenge. Each will receive up to $250,000 over two ...

Old Main building of the University of Arizona, Tucson. STOCK PHOTO/Getty Images On Dec. 7, a woman reported an attempted abduction in the area of Eighth Street and North Mountain Avenue around 8 ...

Land in central Arizona holds great spiritual value to the Western Apache Indians and is on the world's third-largest deposit ...

DHS says it waived environmental laws to get started on filling in border wall gaps in Arizona and New Mexico.

America’s first Chief Geologist, G.K. Gilbert — working for J.W. Powell, of Grand Canyon fame — rode his horse through the ...

Meet the top 10 students of Spaulding High School in the Class of 2025 and read about their accomplishments and future plans.

On its surface, floating solar appears to conserve water while generating carbon-free electricity. River managers are ...

Former University of Michigan president, Dr. Santa Ono, saw his candidacy to become the next president at the University of ...