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False-color image of a 2011 Geminid meteor, seen by a camera at New Mexico State University.

Two Meteor Showers Will Dazzle in Arizona's August Sky

Overlapping showers mean lots of visible shooting stars.

Scarab or figeater beetles are common during the Sonoran desert's hot summer months when they come out to eat and breed.

Bright Green Beetle Makes a Sonoran Desert Appearance

Iridescent insect is active during summer months in Southern Arizona.

UA Cancer Center contributes to VP Biden's Cancer Moonshot

Effort seeks to complete a decade’s worth of research in 5 years, focusing on ovarian cancer.

The sun rises through the trees in the Coronado National Forest.

UA Research Finds Trees May Absorb Less CO2

North American forest growth slowing because of climate change, tree ring study reveals.

An artist's concept of select planetary discoveries made by NASA's Kepler space telescope.

Astronomers, Led by UA, Confirm 100-Plus New Planets

Celestial bodies could contain clues about our solar system's formation.

Tucson Police, African American Communities Evaluate Relationship

Success working together creates a less-divided community, they say.

Study: College Calculus Deters Women from STEM Fields

Explanation for gender gap in science and technology jobs emerges in nationwide study.

Ectomycorrhizal fungi (the mushrooms connected to the roots of the tree) increase the uptake of nitrogen by the plant, even when that nutrient is scarce in soils. Arbuscular mycorrhizal fungi (associated with the grass roots on the left) do not provide that advantage to their host.

Fungus Helps Plants Soak Up Carbon Dioxide

Flagstaff ecologist's work shows plants can thrive without nitrogen

David Sbarra, associate professor & director of clinical training at the University of Arizona Department of Psychology, and Mary-Frances O’Connor, Assistant Professor at the University of Arizona Department of Psychology, discuss how the impact of mental illness can reach well beyond the mind.

UA Alzheimer's Research Looks at Aging Female Brain

Scientist considers reproductive milestones as triggers

Scientists study the effects of aging on the brain.

UA Researchers Focus on Healthy Aging Brain

Dementia, Alzheimer's are not inevitable.

Space shuttle Endeavour and its six-member STS-134 crew head toward Earth orbit and rendezvous with the International Space Station. Liftoff was at 8:56 a.m. (EDT) on May 16, 2011, from Launch Pad 39A at NASA's Kennedy Space Center.

Tucson Company Improving Space Mission Water Quality

Paragon Space Development process increases recycled water.

Old Main on the University of Arizona campus.

Arizona Geological Survey Folds into UA Campus

State offices closed; funding to come from the UA for one year.

The barred spiral galaxy NGC 6217 is the first image of a celestial object taken with the newly repaired Advanced Camera for Surveys (ACS) aboard the Hubble Space Telescope.

Flagstaff Astronomers Find Planet Orbiting Young Star

Prior discoveries of big planets were limited to old stars; this one's 'only' 2 million years.

Completed in 1962, the National Solar Observatory's McMath-Pierce Solar Telescope at Kitt Peak, Arizona, is the world's largest solar telescope.

Era of Solar Discovery on Kitt Peak Coming to an End

Larger telescope on Maui will continue research

Tucson Amateur Astronomers Host Free Star Party

Saturday is international Astronomy Day

Students at Cienega High School in Vail use telescopes to observe Mercury passing between the Sun and Earth during the May 9, 2016, transit event.

Vail's Cienega High Students to Document 2017 Solar Eclipse

Monday's Mercury transit provides telescope and data collection training.

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