While studying the asteroid Bennu up close, NASA's OSIRIS-REx spacecraft witnessed periodic outbursts of material being kicked up from the surface. Scientists detail the observations in a new collection of research papers.
Dr. Theresa Cullen, director of the Pima County Health Department, said the county, university and other partners are working together on a "layered approach" to managing COVID-19.
Buzz surrounding the arrival of the Asian giant hornet in the Pacific Northwest has many Arizonans mistaking native, beneficial bugs for the potentially invasive wasp.
A former chairman of California's Chemehuevi Indian Tribe, Esquerra will lead university efforts to improve Native American student success and promote tribal interests.
Hall of Fame horse trainer Bob Baffert won his record-tying sixth Kentucky Derby championship on Saturday. Baffert is a graduate of the UArizona Race Track Industry Program.
Researchers studied the evolution of frog and tadpole body sizes. They found that the two life stages do not evolve completely independently of each other, as previously thought.
