It may no longer be the national observatory, but its biggest telescopes have landed new scientific projects.
"Big science" doesn't come cheap. Unidentified donor gives $20 million for Chile project.
The LSST promises the widest, deepest, fastest view of the cosmos.
Effort ensures production of mirrors here for the Giant Magellan Telescope.
Oracle State Park might soon be known for its dark nights and starry skies as well as its sunny days and scenic landscapes.
OSIRIS-REx will grab a piece of an asteroid; the Large Synoptic Survey Telescope will explore the mysteries of the universe.
Astronomer Lori Allen said the discovery of the most remote orbiting object in our solar system is “terrific news” in itself, but also for the instrument that found it.
Weekes, a pioneer of gamma-ray astronomy, searches for the enormously energetic particles coming from pulsars, supernovae and black holes.
On Friday, the Steward Observatory Mirror Lab unveiled the third giant petal for a telescope that, if built today, would be the world's largest.
Vanessa Bailey led a team that found a Jupiter-sized planet orbiting far from its host star, upsetting accepted theories of planet formation.
These four guys are devising a way to instantly find the dozen "rarest of the rare" events among the million phenomena that will be seen each night by the Large Synoptic Survey Telescope.
By taking the twinkle out of starlight, the team produced the clearest images ever taken.
The National Optical Astronomy Observatory, which operates an array of telescopes in Arizona, Hawaii and Chile from offices in Tucson, is laying off 35 scientists and support staff because of federal budget cuts.
An astronomy team with UA connections has seen the clearest
pictures ever taken of how stars are born.
The sun will never set on NASA's Solar Dynamics Observatory,
which will aim its cameras at our nearest star from an orbit
matching the Earth's rotation after its scheduled launch