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Tree growth may decline as much as 75 percent, according to a new finding based on a treasure trove of about 20,000 unanalyzed tree cores discovered in a Utah laboratory.

Adam Gottschalk played football for the UA, turned his degree into a successful career and was a TV bachelor. Now, he's giving back to the university he says always supported him.

A clinical trial at the UA Cancer Center in Phoenix will be the first to use immunotherapy as a primary treatment option for liver cancer.

Four University of Arizona student-athletes were named to the Pac-12 All-Academic first and second teams, with three others earning honorable mention recognition.

UA Lima and UA Mauritius are on track to accept their first students in the fall of 2019, joining an expanding network of UA micro-campuses worldwide.

UA scientists hope they have made progress toward a next-generation drug that may slow tumor growth and boost radiation’s effectiveness in patients with the deadly brain cancer.

Researchers at the UA Cancer Center hope early-phase clinical trials will lead to new treatment options for melanoma patients with BRAF or MEK mutations.

Four growing seasons after the engineered spring flood of the Colorado River Delta in March 2014, the delta’s birds, plants and groundwater continue to benefit, according to an International Boundary and Water Commission report prepared by a UA-led team.

Journalists are often assumed to be the biggest utilizers of freedom-of-information legislation, but new research led by UA journalism professor Jeannine Relly found that collaborations between journalists, social activists and civil-society organizations were essential to the success of creating a right-to-information agenda in India.

Dr. Michael Kruer has received the first federally funded grant to research genetic causes of a condition that affects 1 in 250 children.