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University of Arizona planetary scientist Vishnu Reddy is an asteroid expert.

Scientists Will Simulate an Asteroid Impact with the Real Thing

The asteroid will pass close to Earth, but will safely continue on its way.
An aerial photo of the southern tip of Greenland's ice sheet, surrounded by glacier-carved fjords. UA scientist Jack Reeves Eyre says the island's ice melt could significantly raise sea levels in the next 50 years.

Greenland Study Seeks to Bolster Prediction of Sea-Level Rise

UA scientists combined data sets to propel further research.
A planetary mass the size of Mars could be warping the orbits of some smaller objects beyond Neptune.

Scientists See Clues of Possible Unseen Planet in Solar System

Disruption in the orbits of objects in the distant Kuiper Belt suggest a large body.
There are plenty of activities for kids at the UA Lunar and Planetary Lab's summer open house.

UA Lunar and Planetary Lab to Celebrate Years of Mars Photos

Annual open house will feature the work of HiRISE camera as well as activities for kids, adults.

UA Space Programs to Launch 'Asteroid Day' 2017 Stream

OSIRIS-REx, Catalina Sky Survey lead off programming.

Changing Your Sleep Habits is Worth It, UA Researcher Says

Not getting enough sleep can result in memory and concentration issues, but also high blood pressure.
Okanaga rubrovenosa is one of the most prominent cicada species found in the Southwest U.S.

Cicadas Soundtrack Arrival of Summer, Monsoon in Arizona

Region hosts more than four dozen species.
Planetary scientist Tom Zega with the UA Lunar and Planetary Laboratory's transmission electronic microscope which will analyze dirt samples returned from the asteroid Bennu in 2023. The instrument has serial number 1.

UA to Get Early Sample of Asteroid for Study

The material should give a glimpse into the history of Bennu, and of the universe.
The sun rises over a grassy meadow in the White Mountains of Arizona.

Climate Scientist: Leaving Paris Accord Bad for Southwest

The region is already experiencing the effects of global warming, says Valerie Trouet.
Jupiter’s south pole, as seen by NASA’s Juno spacecraft from an altitude of 32,000 miles. The oval features are cyclones.

Tucson Camera on Jupiter Mission Reveals Cyclones

Tucson's Planetary Science Institute scientist manages Juno Cam for NASA.
A view of Earth from space.

Trump Budget Eliminates NASA Space Grant, Education Programs

Arizona Space Grant Consortium trains students for STEM careers
The dome of a telescope at the UA Sky Center campus on Mount Lemmon.

Mount Lemmon SkyCenter Open House Saturday

Telescopes, exhibits and family activities show off science of the mountain.
Wulfenite, Red Cloud Mine, La Paz County, Arizona.

Wulfenite Joins Other State Symbols as Official Mineral

The colorful mineral is found in few places outside Arizona.
Retired Marine General Charles Bolden at the Goddard Space Flight Center in 2010, when he was administrator of NASA.

Former NASA Administrator Sees Key Role for UA in Space

OSIRIS-REx mission to asteroid is unprecedented.
A photo of Tucson resident Annie Laos from her memorial.

Annie Laos, A Tucson Original, Remembered by Friends and Family

Also on Arizona Spotlight: A look at alternatives to a physical border wall; how genome research helps science to understand epilepsy; "I Dream in Widescreen" brings new film makers' work to light.
Old Pima County courthouse in downtown Tucson.

Downtown Earth Day Rally Aims to Spark Interest in Science

Saturday event at Tucson's El Presidio Park is part of worldwide focus on science

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