Yuma myotis bat
Interested in doing some bat watching? There are several Arizona locations where you can get an up-close look. The best time to view bats is when the sun is setting — so check out some of these spots at dusk from May through October.
Oct. 27, 2016
new york city skyline
Research at the University of Arizona has uncovered the earliest stages of the HIV-AIDS epidemic in the United States. The research shows the virus first took hold in New York City — well before published reports in 1981.
Oct. 26, 2016
science test logo
Arizona fourth-graders have made significant gains on a national standardized science test. They saw the most improvement of any other state on the National Assessment of Educational Progress.
Oct. 27, 2016
University of Arizona College of Medicine Phoenix
The University of Arizona's medical schools in Phoenix and Tucson have been under increased scrutiny this summer after the departure of six senior officials from the Phoenix campus and questions about the use of public funds.
Oct. 26, 2016
 Mexican gray wolf
The Arizona Game and Fish Department, Chicago Zoological Society, Endangered Wolf Center and U.S. Fish and Wildlife Service are working to reintroduce the Mexican wolf to its native habitat in Arizona and New Mexico.
Oct. 25, 2016
Maps of megadrought risk
The risk of a multi-decade megadrought striking the Southwest United States by century’s end could approach 99 percent, if greenhouse gas emissions remain the same, says a recent paper based on climate models.
Oct. 24, 2016
Desert tortoise
Local, state and federal officials have set their sights on the future of a pair wildlife populations in northwest Arizona where plans are to protect one and eliminate the other.
Oct. 24, 2016
screenshot of isitdownrightnow.com
You may have had some trouble accessing your favorite websites this morning. A cyberattack on a U.S. company led to widespread disruption early Friday morning.
Oct. 21, 2016
swirling cyclones at Jupiter's north pole
A spacecraft taking pictures of Jupiter with a camera that a Tucson-based scientist manages has sent back pictures of a storm that would dwarf any earthbound hurricane.
Oct. 20, 2016
arizona western college logo
STEM education got a big boost recently out of Arizona Western College in Yuma in collaboration with the University of Arizona.
Oct. 20, 2016
Pipevine Swallowtail Butterfly
Have you ever seen a strange critter crawling across the floor you couldn’t identify? The Arizona Science Desk wants to help you get answers!
Oct. 20, 2016
student in classroom
Researchers at the University of Arizona are developing a way to measure memory in young kids, and children with intellectual disabilities.
Oct. 18, 2016