Science News

Diagram of typical burial positions
All of the burials studied occurred during the Early Agricultural Period, from 2100 BC to 50 AD. Spread over 150 miles and 2,000 years, they shared one key quality that a researcher said “set them apart from others.”
Nov. 2, 2016
hot Thermometer
We’re in the middle of fall, but that was hard to believe during last week’s record-setting heat wave.
Nov. 1, 2016
willow trees
In 2014, 160,000 acre-feet of water made its way from Morelos Dam near Yuma into the parched Colorado River Delta as part of a joint environmental effort between the United States and Mexico.
Oct. 31, 2016
ARad Workflow
The test, which ASU is now readying for evaluation by the U.S. Food and Drug Administration, uses changes in gene expression to gauge ionizing radiation dosage. The test is one of only a few that can accurately gauge exposure, as opposed to contamination.
Oct. 31, 2016
Arizona Eryngo seeds
If you’re looking to grow desert-adapted plants from seed, you can get those seeds tomorrow at the Great American Seed Up.
Oct. 28, 2016
UA's HiRISE camera's image
A University of Arizona camera aboard the Mars Reconnaissance Orbiter has sent back images of the crash site of a European Martian lander that will help investigators understand what happened.
Oct. 28, 2016
child getting a vaccination
The number of Arizona kids getting vaccinated with the measles mumps and rubella vaccine or the MMR hasn’t changed much.
Oct. 28, 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
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
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
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
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
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
Steward Observatory under construction
Arizona Science Desk reporter Sara Hammond takes a closer look at University of Arizona's Steward Observatory on its 100th anniversary.
Oct. 18, 2016
Grand Canyon National Park and Kaibab National Forest
A four-year project led by Northern Arizona University will examine how political boundaries can create ecological differences. Researchers will look at the edges between national parks and nearby land… from space.
Oct. 18, 2016