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A picture postcard issued by the University of Arizona of Steward Observatory, 1955.

$60K 'Started Ball Rolling' on World-Class Research at Steward

The facility was built at the edge of the University of Arizona campus 100 years ago.

UA Science & Technology Park

University of Arizona 21st in Research Spending

UA ranked first in astronomy, fifth in NASA funding.

Brain Cancer Study: Some Tumors More Vulnerable to Traditional Treatments

Common, complex and deadly, old-school methods seem to work better on GBM tumors.

Artist's concept of the Psyche spacecraft, a proposed mission for NASA's Discovery program that would conduct a direct exploration of an object thought to be a stripped planetary core.

Flagstaff Scientist Detects Water on Rare Metal Asteroid

Another group of scientists wants to send a spacecraft to the asteroid, named Psyche.

Healthy Hearts of Hunter-Gatherers Show Value of Exercise

Tanzania's Hadza foragers, and others like them, are around 14 times more active than people in industrialized societies.

This dazzling infrared image from NASA's Spitzer Space Telescope shows hundreds of thousands of stars crowded into the swirling core of our spiral Milky Way galaxy. In visible-light pictures, this region cannot be seen at all because dust lying between Earth and the galactic center blocks our view.

Rare Comet Trio Has Astronomers Crowdsourcing Observers

Planetary Science Institute hoping for continuous help from amateurs and professionals.

A monarch butterfly.

Southwest Monarch Study Gets $89K To Track Butterflies

The award was part of a larger effort to aid in the recovery of a declining Monarch population.

The Moon

Look to Skies to See 'Super Moon' Sunday Night

Moon's orbit brings it close to Earth during its full phase.

An example of atypical body placement from Early Agricultural Period (2100 BC - 50 AD) sites in the Sonoran Desert. The body is prone and splayed.

Revenge, Blood Feuds Among Early Sonorans Seen in Burials

An atypical interment of an enemy could be an attempt to gain prestige through defiance.

Will Arizona Election be Fraud Free? Yes, and Here's How

Plus, meet the new CEO of the Downtown Tucson Partnership.

The UA's HiRISE camera's image of the European Space Agency's Schiaparelli Martian lander that crashed Oct. 19, 2016.

UA Space Camera Details Crash Site of Europe's Martian Lander

Meanwhile, the European Space Agency's orbiter is successfully circling the planet.

ASU Radiation Test Could Help Triage Nuclear Attack Victims

The test uses gear already found in many medical centers to test thousands of blood drops.

A naturally-germinated Cottonwood tree pictured with Martha Gomez-Sapiens, research associate at University of Arizona, 2016

Colorado River Delta Still Thrives 2 Years after Dam Flow

It is supporting bird and plant life while recharging groundwater.

We talk to Michael Worobey, UA Professor of Ecology and Evolutionary Biology, about new research about the evolution of the flu.

UA Study: HIV's First US Foothold Was in 1970s

A man referred to as "Patient Zero" was also misidentified, researchers said.

Map Of The Colorado River Basin

Study: Southwest May Face Severe, Multi-Decade Drought

If the rate of greenhouse emissions stays the same, it will likely hit by the end of the century.

Artist's rendering depicting the Juno spacecraft at Jupiter.

Jupiter Spacecraft Captures Image of Towering Polar Storms

First pass of giant planet nets unexpected scientific data

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