More Astronomy Stories

Planetary Seismometer

Discover how seismometers unveil secrets beneath moons, planets, and asteroids.

First big results from OSIRIS-REx revealed

The ingredients for life were found on the asteroid.

Field Notes: Meteor Crater

An Exploration of Awe

James Webb Space Telescope's 'little red dots' come into focus

When the cosmic oddballs first showed up in some of JWST's early observations, in December of 2022, it was a surprise.

Arizona asteroid hunters detected space rock that fell over Russia

The team used a University of Arizona telescope to track the object to its fiery fate.

Parker Solar Probe making history six years after launch

Robotic explorer is the first to sail through the sun's atmosphere.

Stargazers can see the final supermoon of the year this weekend

If you miss this supermoon, you won't be able to see the next one until October 2025.

Webb telescope delivers new ideas about Milky Way star Vega

UA-built camera shows vast, smooth dust disk surrounding the star.

New NASA spacecraft ready to launch toward Jupiter moon Europa

Europa Clipper will observe surface features that could conceal a vast ocean.

Earth welcomes temporary new moon

Scientists say the traveling companion will only stick around for a few weeks.

NASA's Webb telescope detects traces of carbon dioxide on the surface of Pluto's largest moon

The latest detection is key to studying how Charon and other icy objects in the Kuiper Belt came to be.

Kitt Peak celebrates 60 years of public tours

Public telescopes reopen after COVID, fires caused closures on the mountain.

Cassini orbited Saturn 20 years ago this summer

The robotic explorer made historic discoveries about the ringed planet and its moons.

Remembering the historic Rosetta space flight to a comet 10 years ago

The European-built robotic explorer orbited and landed on the chunk of ice and rock in 2014.

Sky School

The University of Arizona Sky School is an innovative educational program that takes students of all ages to the summit of Mt. Lemmon for a retreat to learn about the ecosystems atop Arizona’s sky islands.

New findings about Jupiter revolve around Great Red Spot

Data from James Webb Space Telescope adds to giant planet's mystery.

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