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A close-up of turquoise.

Searching for What Turquoise Tells Us About Ourselves

Researchers look into the significance of the stone for cultures, past and present.
A view of the Himalayas.

Study Traces Citrus Family Tree to Foot of the Himalayas

Untangling the chaotic backstory of one of Arizona's celebrated "Five Cs."
A supercomputer simulation of hot gas falling into the black hole at the center of the Milky Way galaxy. The bright circular feature near the center of this image is the photon ring, predicted by Einstein's general theory of relativity.  

UA Focused on Project to Get First Images of Black Holes

National Science Foundation grant will help coordinate and compute data from telescopes.
AZPM is an editorially independent, nonprofit service of the University of Arizona.

Scientists Sue EPA Over Who Can Serve On Advisory Boards

The lawsuit is in reaction to the banning of EPA-grant recipients from the boards.
The Tucson Desert Art Museum opened in 2013 and is located on the city's east side.

A Desert Museum for Art and History

Tucson has two different attractions with "desert museum" in their names.
The full moon in total eclipse, Sept. 27, 2015. Photographed in Tucson, Arizona, by Steward Observatory astronomer Glenn Schneider.

Catch a Total Lunar Eclipse Early Wednesday Morning

Early in the morning, the eclipse will cover a super, blue moon.
University of Arizona tree-ring scientist Valerie Trouet taking a pencil-thin core from an old Bosnian pine growing on Mount Olympus in Greece.

Tree Rings Tell Story of Jet Stream

Changes to North Atlantic air flows alter European summer weather.
This map shows Earth’s average global temperature from 2013 to 2017, as compared to a baseline average from 1951 to 1980, according to an analysis by NASA’s Goddard Institute for Space Studies. Yellows, oranges and reds show regions warmer than the baseline.

Global Temperatures in 2017 Rank in Top 3 on Record

The desert Southwest experienced its warmest readings ever.
Catalina Sky Survey's 60-inch telescope atop Mount Lemmon.

Catalina Sky Survey Sets Record for Finding Asteroids

University of Arizona program bags 990 space rocks in 2017.
A bee gathers pollen from a sunflower.

Honeybee Research Hints At How Microbes Spread Antibiotic Resistance

Gene transfer taking place in the guts of the insects could be worsening the crisis.
A cross-section of a thick sheet of underground ice is exposed in this enhanced-color view from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.

HiRISE Camera Reveals Ice Buried in Mars Cliffs

The UA instrument's find could be a boon for future human exploration.
Gila woodpecker claims a cactus fruit -- original wildlife illustration.

The Art of Paying Attention: Gila Woodpecker

Beth Surdut finds much more to these marvels of natural engineering than is obvious to the eye...or ear.
Chris Lemmon pays tribute to his famous father Jack Lemmon in the stage show "A Twist of Lemmon".

"A Twist of Lemmon" - A Son's Heartfelt Tribute to his Famous Father

Also: Preview Governor Ducey's 2018 "State of the State" address; explore black holes with Tucson astronomers featured on NOVA; and why the 1976 Mexican film "Canoa: A Shameful Memory" remains relevant.
A digital-image mosaic shows the extinct volcano Arsia Mons on Mars.

Arizona and Sonora Look to Desert to Prepare for Space Missions

Researchers want to team up and return to the Sonoran Desert to mimic conditions on Mars.
The domed structure that houses the University of Arizona’s 60-inch telescope used to search for near-earth objects.

A Night on Mount Lemmon Watching the Skies

Also on Arizona Spotlight: how Street Outreach is building trust with Tucson's homeless youth; and writer Lisa M. O'Neill shares an essay about the personal toll of sexual harassment.
The James Webb Space Telescope in a clean room at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.

UA Astronomer's Camera to Play Key Role in New Space Telescope

Infrared camera will search for first objects in the universe.

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