Feb. 24, 2024 Steward Observatory balloon mission breaks NASA record 22 miles above Antarctica Seeking clues about the life cycle of stars, the GUSTO balloon mission, led by university astronomer Chris Walker, breaks the record as NASA's longest-flying heavy-lift balloon mission.
Feb. 21, 2024 The science of leap day – how it works and why we do it Ahead of Feb. 29, UArizona Regents Professor of planetary sciences Renu Malhotra explains why we need leap year, why we skip it once a century and why we sometimes need to add leap seconds.
Feb. 20, 2024 Giant Magellan Telescope brings new partner into the fold Taiwan's leading astronomy institute joins Australia, Brazil, Chile, Israel, South Korea and the United States in building one of the world's largest and most powerful telescopes.
Jan. 29, 2024 Webb Telescope reveals stunning structures in nearby spiral galaxies New images taken with the James Webb Space Telescope reveal intricate, never-before-seen structures and features hidden in visible light. The insights will help astronomers better understand the history of the Milky Way.
Jan. 11, 2024 NASA's OSIRIS-REx curation team clears hurdle to access remaining Bennu sample NASA scientists last week removed the two stuck fasteners on the sample container that had prevented researchers from accessing much of OSIRIS-REx's asteroid Bennu sample.
Jan. 8, 2024 UArizona-led asteroid sampling mission's new journey: OSIRIS-APEX Under the leadership of the University of Arizona's Dani Mendoza DellaGiustina, the former OSIRIS-REx spacecraft sets off on a journey to study asteroid Apophis and take advantage of the asteroid's 2029 flyby of Earth.
Dec. 20, 2023 Sweating the small stuff: UArizona scientists have begun to study samples from asteroid Bennu At the university's Kuiper-Arizona Laboratory for Astromaterials Analysis, a suite of instruments allows researchers to study the particles collected by the OSIRIS-REx mission the down to the atomic scale.
Dec. 18, 2023 Recent volcanism on Mars reveals a planet more active than previously thought The findings from the University of Arizona-led study have implications for research into whether Mars could have harbored life at some point in its history.
Dec. 18, 2023 Asteroids, athletics and 'America the Beautiful': The top stories of 2023 From delivering a historic asteroid sample to setting a university record in Fulbright Scholars, the University of Arizona celebrated several newsmaking events in 2023.
Dec. 6, 2023 Citizen science project nets a new asteroid, and it's a close one Members of the public helped the University of Arizona's Catalina Sky Survey spot a previously unknown near-Earth asteroid on its orbit around the sun.