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Arizona Online ranks No. 12 among online bachelor's degree programs and ranks No. 5 on the Best Online Bachelor's Programs for Veterans list.

U of A astronomers have now produced the highest resolution direct images ever taken of a supermassive black hole in the infrared.

New observations led by a U of A astronomer suggest that even dwarf galaxies can accrete mass from other small galaxies, challenging a long-held theory about dwarf-galaxy expansion.

Regents’ Professor Marcia Rieke is the recipient of this year’s Russell Lectureship, which honors a full career of eminence is astronomical research.

The exoplanet mission, which will study of at least 20 known planets orbiting distant stars, has cleared an important milestone with the completion of its spacecraft bus.

Three newly discovered dwarf galaxies in an isolated region of space show evidence of star formation being cut short by events in the early universe.

Dr. Cone was a force to be reckoned with in the field of pediatric audiology. Here at the University of Arizona, we were lucky to have her talents for over 20 years, during which time she made exceptional contributions.

Prof. John Schaibley's group in the Department of Physics published a paper in Science Advances demonstrating a superfluid in an atomically thin semiconductor device. Superfluid states of matter offer the possibility of transporting energy and information without dissipation, which can be used to make high speed and low energy consumption electronics.

Taking advantage of a cosmic "double lens," astronomers resolved more than 40 individual stars in a galaxy so far away its light dates back to when the universe was only half its present age.