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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.

Eclipses in the Work of Shakespeare: Ominous Events

UA English professor explains importance of astronomical references.

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.

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.

Space artists retired astronaut Nicole Stott and planetary scientist William Hartmann of Tucson meet at Spacefest VIII.

Astronauts and Aficionados Enter Tucson's Orbit for Spacefest

Experts and fans rub shoulders during space-themed weekend.

Henry Throop shows students how to use a telescope to observe sunspots during the day, at Dendron Secondary school in rural Limpopo, South Africa.

Planetary Scientist Honored for Global Outreach

Henry Throop to receive Carl Sagan Medal from astronomical society.

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.

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.

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.

An alluvial fan is a fan-shaped deposit of sediments dropped by streams where the topography flattens and the water can spread over a broad area, typically at the exit of a canyon.

'Mars is Beautiful,' UA Scientists Enthuse Over Book of HiRISE Images

Also on Arizona Spotlight: Finding a future for historic Tucson places to become community art spaces; tune in with the UA amateur radio club; and new music from the Weiss / Soflin duo.

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.

As much as 22 percent of Shackleton Crater’s surface could contain ice, according to data from NASA's Lunar Reconnaissance Orbiter. The crater is located at the lunar south pole.

Shadow-Piercing Camera from ASU to Study Moon

The ShadowCam will look at 'dark side of moon' to help plan future missions.

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