'Tantalizing' photos whet appetites for pictures to come.
MacArthur Foundation fellows are featured in a series of talks
Tucson scientists will interpret features of the dwarf planet and possibly a subsurface ocean.
Brother Guy says he won't answer the question 'What is Life?' in his opening lecture.
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.
Gift goes toward school's involvement in the Giant Magellan Telescope project.
Some LEDs cause sky glow and disrupt biology, association says.
Claims of group pushing to find killer space rocks are challenged.
Unless December turns frigid, Tucson is headed for its warmest year on record.
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.
NWS: Year expected to be warmest on record.
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.
Many in attendance have close ties to the historic Rosetta mission.
European Space Agency's historic landing on a comet provides "ground truthing" for a wealth of data already collected.
They identify a bigger, younger analog to our solar system.
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.
Del Strunk and friends at McSally headquarters. He's hoping for a "clean sweep."
Mark Spear and his dark horse candidate "undervote" at the Pima GOP party.
Tucson firm started in a backyard workshop.
Monday could bring first taste of 40s in more than six months.
This image of Jupiter shows a moon shadow on the giant planet's Great Red Spot.
See today's partial eclipse through the McMath-Pierce solar telescope on Kitt Peak.
Events at the University of Arizona and Pima College will allow you to view the eclipse without harming your eyes.
Tucson could "get a piece" of new Photonics Manufacturing Institute.
UA's HiRISE camera caught the speeding bullet of a comet Sunday.
It may no longer be the national observatory, but its biggest telescopes have landed new scientific projects.
Erstwhile hurricane produced well-behaved storms that soaked without flooding badly.
Two supervisors have concerns about plans to bypass Tucson with new freeway.
Unless you're enough of an lunar fanatic to wake up at 3 a.m., a total eclipse of the moon will occur while you are sleeping tomorrow morning.
The lunatics will be up early Wednesday, and even if you’re not all that crazy about the moon, you might want to join them to view a full eclipse.
Dante Lauretta: NASA missions should inspire future scientists.
"Big science" doesn't come cheap. Unidentified donor gives $20 million for Chile project.
Some areas saw twice their rainfall average. Phoenix might be the biggest story.
A 2015 mission will add to enthusiasm for the recently demoted "dwarf."
Streetcar's allure is partly aesthetic, Star's Tom Beal concedes.
The donation is from the estate of philanthropist Agnese Nelms Haury.
Mike Leuthold of the University of Arizona's Atmospheric Sciences Department concluded early Wednesday that Odile's moisture would miss Tucson.