College of Science

Adam Block's photo of the Messier 87 galaxy. (Photo: Adam Block)
April 17, 2019
Astrophotographer Adam Block talks about the galaxy known as Messier 87, home of the supermassive black hole photographed by the Event Horizon Telescope.
Lia Medeiros (Photo: Bob Demers/UANews)
April 11, 2019
Lia Medeiros, and 20 other UA students, expanded their educations by participating in efforts to see the unseen with the Event Horizon Telescope.
On April 10, EHT researchers revealed the first direct visual evidence of the supermassive black hole in the center of Messier 87 and its shadow. (Image: EHT Collaboration)
April 10, 2019
With the help of two radio telescopes coordinated by the UA, astronomers in the Event Horizon Telescope collaboration have taken the first direct image of a black hole, a prediction of Einstein's General Theory of Relativity.
April 10, 2019
Losing a loved one is one of life's most stressful experiences, and its toll can be physical as well as emotional, according to more than four decades of scientific research.
April 2, 2019
Whether you bend a rod or bend the rules, the brain processes the word "bend" similarly, with the sensory motor region playing a key role, according to new UA research.
More than 50 species of desert annuals are in bloom around Tucson this month. The low-growing plants range from the size of a dime to more than a foot tall.
March 25, 2019
In a recently published study, UA ecologists analyzed data spanning more than 30 years to identify the bets that the most successful desert annual plants place with water resources.
Horseshoe Bend is a horseshoe-shaped meander of the Colorado River located near the town of Page, Arizona. (Photo: Luca Galuzzi -, CC BY-SA 2.5)
March 20, 2019
Three UA professors, each with unique areas of expertise relating to water and the Colorado River, talk about the Drought Contingency Plan and what might come next.
A rendering of CatSat, a nanosatellite being built by UA students. (Image: Vishnu Reddy)
March 18, 2019
UA students will get hands-on spacecraft hardware development experience thanks to NASA’s CubeSat Launch Initiative, which recently selected CatSat to fly as auxiliary payload aboard future space missions.
The behavior of the pupil is helping researchers understand what goes on in the brain when humans make mistakes.
March 12, 2019
When humans make certain types of mistakes, their pupils change size, UA researchers found. This may offer clues to what goes on in the brain when people make suboptimal decisions.