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A color composite image of Earth taken on Sept. 22, 2017 by the MapCam camera on NASA’s OSIRIS-REx spacecraft.

OSIRIS-REx Instruments Get Trial Run

Spacecraft's cameras send back portrait of Earth.

OSIRIS-REx on its Way to Asteroid Bennu

Close-Earth encounter lets team test instruments, take pictures of Earth.
Image from a video illustrating the path the OSIRIS-REx spacecraft is projected to take on its way to the asteroid Bennu.

Earth's Gravity to Slingshot Asteroid-Bound Spacecraft to Target Friday

Maneuver uses Earth's gravity rather than fuel to put OSIRIS-REx on course.

UA Telescope Gets First Look at OSIRIS-REx

Spacecraft passing Earth soon for slingshot to asteroid Bennu.
Looking down at the mall on the campus of the University of Arizona.

Flu Season Off to an Early Start on UA Campus

Almost 40 cases diagnosed; exact origin unknown.
An exhibit at the Arizona State Museum.

Project Aims to Gather SW Archaeological Data for Online Tool

The Cyber-Southwest project can help researchers understand issues facing pre-Columbian Southwest societies.
Applying sunscreen can prevent skin cancer.

Skin Won't Absorb New UA-Developed Sunscreen

The product was developed with assistance from Tech Launch Arizona.
This false-color composite image, constructed from data obtained by NASA's Cassini spacecraft, shows the glow of auroras streaking out about 600 miles from the cloud tops of Saturn's south polar region. The image was taken by the University of Arizona-led Visual and Infrared Mapping Spectrometer.

UA Camera to Snap Final Pics for Saturn Mission Before Crashing into the Planet

The spectrometer aboard Cassini has provided clues to the processes at work around Saturn.
DeAnna Bublitz finds plenty of cicadas on the University of Arizona's mesquite trees.

Summer's Insects Draw Scientists to Southern Arizona

Hot and humid weather is optimal for exploring the outdoors.
UA College of Engineering students show off their project at Design Day 2015.

UA Engineering Students Showcase Design Projects

More than 100 teams will show projects from space suits to solar-powered whiskey still.
Kids viewing an eclipse with solar viewing glasses

Without Eye Protection, Even a Peek at the Eclipse is Dangerous

Children and young adults are particularly at risk without safety glasses.
On Jan. 4, 2011, the Hinode satellite captured these breathtaking images of an annular solar eclipse.

Do You Have a Plan for the Eclipse? Here Are Some Ideas

The Great American Eclipse is coming to a sky near you.
The Flandrau Science Center and Planetarium (left) and the Kuiper Space Sciences Building (right) on the University of Arizona campus.

UA Opens Science Classes to the Community

The school is offering reduced tuition to attend lectures in many subjects.
Dense trees grow in a forest in northeastern Arizona.

Carbon Capture from Trees? It's All Downhill From Here, Study Says

UA research shows tall valley trees absorb more carbon from the atmosphere than trees on peaks.
On Jan. 4, 2011, the Hinode satellite captured these breathtaking images of an annular solar eclipse.

Eclipses in the Work of Shakespeare: Ominous Events

UA English professor explains importance of astronomical references.
Among the benefits of using LED light is that the method is cheaper than drugs, has no side effects and is readily available.

Doctor Sees the Light with Pain Control: Green LED

Physician found headache relief under trees, triggering study.

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