More Astronomy Science Stories

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.

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.

Astronauts and Aficionados Enter Tucson's Orbit for Spacefest

Experts and fans rub shoulders during space-themed weekend.

Planetary Scientist Honored for Global Outreach

Henry Throop to receive Carl Sagan Medal from astronomical society.

Tucson Camera on Jupiter Mission Reveals Cyclones

Tucson's Planetary Science Institute scientist manages Juno Cam for NASA.

Mount Lemmon SkyCenter Open House Saturday

Telescopes, exhibits and family activities show off science of the mountain.

Jupiter to Shine Its Brightest and Biggest

Largest planet making closest approach to Earth this year Friday.

Demoted as a Planet, Pluto May Get Another Chance

Astronomers discussing new definition that would include it and other celestial bodies.

Total Solar Eclipse in 6 Months Has Astronomers Preparing

Phenomenon can be seen in 70-mile swath from regon to South Carolina; partly visible in Arizona.

Former UA President Robert Shelton to Head Telescope Project

Shelton, the university's 19th president, has experience with global observatories.

On Way to Bennu, OSIRIS-REx Looks for 'Trojan' Asteroids

The rare objects are hidden from view of Earth's telescopes.

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

Donation 100 years ago went for Steward Observatory at eastern edge of campus.

UA's Steward Observatory Celebrates 100th Anniversary

University ranked No. 1 among US space astronomy programs.

UA Astronomer Sees Asteroid 2 Days Before It Whizzes by Earth

NASA-funded Sky Lab's observers have ID'd half of known near-Earth objects.

Does 'Planet Nine' Exist? NAU Astronomer Says Maybe

Three objects discovered at edge of solar system may lead to planet's existence.

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