Art students created a mural celebrating the UA-led NASA mission.
How did life develop here and does it exist on the thousands of discovered planets and the billions of undiscovered ones in the cosmos?
Once-crippled Kepler Space Telescope has new life as finder of nearby exoplanets.
Tom Swetnam parlayed his love of wild places into an academic career.
Astronomers trying to figure out how galaxies interact.
Wildflowers bloomed in January. Gila monsters emerged months early.
UA grad student uses technology of video games to re-create galaxy formation.
Historically and realistically, we don't expect a white Christmas in Tucson.
Richard F. Caris gift will help build the Giant Magellan Telescope.
Claims of group pushing to find killer space rocks are challenged.
These images are cool for a lot of reasons.
Development comes just as National Science Foundation was looking to cut ties.
OSIRIS-REx will catch up to Asteroid Bennu in 2018, return sample to Earth.
Brother Guy Consolmagno challenges his own findings about the giant asteroid Vesta.
NASA's first mission to Pluto will begin sending images to Earth early next year.
European Space Agency's historic landing on a comet provides "ground truthing" for a wealth of data already collected.
Two talks this week on the UA campus bring astronomy to the general public.
Biospherians Taber MacCallum and Jane Poynter hope to help new business take off.
Events at the University of Arizona and Pima College will allow you to view the eclipse without harming your eyes.
See today's partial eclipse through the McMath-Pierce solar telescope on Kitt Peak.
Mike Leuthold of the University of Arizona's Atmospheric Sciences Department concluded early Wednesday that Odile's moisture would miss Tucson.
The Nicaragua explosion claim was intriguing to asteroid watchers.
NASA funds five proposals for far-out projects and two are based in Tucson.
Researchers at ASU's Biodesign Institute pioneered the use of tobacco plants to produce antibodies.
The LSST promises the widest, deepest, fastest view of the cosmos.
We now know the beasts roamed North America as recently as 13,000 years ago.
NASA has chosen seven instruments for the next Mars rover mission, set to launch in 2020.
Most of Pima County received two to three inches of rain during July.
Effort ensures production of mirrors here for the Giant Magellan Telescope.
Sunday's open house highlights contributions UA planetary scientists made to that first moon walk 45 years ago.
The new planet is not too hot to boil off its water nor too cold to freeze it solid. It's in the just-right "Goldilocks Zone."
Astronomers have discovered the farthest "dwarf planet" and it points to an even bigger planet hiding at the edge of our solar system.
Find out the latest from the crew of comet watchers on Kitt Peak
Astronomers gathered at Kitt Peak's McMath-Pierce Solar Telescope are elated, despite cloud cover that is keeping comet hidden for now
Author Paul Bogard says preserving darkness in important to all of us, not just astronomers.
Learn the latest olfactory science at Tuesday's Science Cafe
Monday includes a look through the historic telescope at Steward Observatory. Tuesday features pizza. Wednesday promises happiness.
Arizona’s oldest observatory has published its first scientific results from its newest telescope.
International Observe the Moon Night is Saturday
Comet Ison is looking pretty good as it approaches the sun, with a big, long tail and a greenish hue.
The University of Arizona's astronomy graduate students hope to persuade their department, their college and the Board of Regents to acknowled…
We've all inhaled gnats or eaten bugs in flour but at the Arizona Insect Festival, you can eat them with intention, while you learn about the …
Explore the cosmos, visit the rain forest and learn the secret of happiness in a series of scientific lectures this fall.
Two environmental researchers from the University of Arizona will talk about their adventures in the Amazon Basin Thursday at Borderlands Brew…
Shortly after their funding was renewed for another five years in June, University of Arizona researchers lost one of their critical-zone rese…
If you went outside and waved and smiled at Saturn Friday, here'e your photo.
NASA’s Cassini spacecraft is going to take our picture Friday afternoon and the space agency is encouraging us to go outside and wave at the c…
A red-flag warning is in effect for Southeastern Arizona from noon today until 8 p.m. and again on Saturday afternoon through evening.
Joe Polchinski, professor at the Kavli Insitute for Theoretical Physics at UC Santa Barbara, has won one of three Physics Frontiers Prizes fro…