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NASA's new flagship space observatory has arrived in French Guinea, where it will be readied for launch on Dec. 18. UArizona astronomers Marcia and George Rieke played key roles in designing and building the telescope's infrared "eyes," which will peer deeper into the cosmos than ever before.
UArizona astronomers used massive galaxy clusters as natural magnifying glasses to discover strange galaxies that stopped making stars before their time.
Analyzing observations of an X-ray flare and fitting the data with theoretical models, astronomers documented a fatal encounter between an unlucky star and a black hole.
UArizona is providing the software hub for the NEID spectrometer on Kitt Peak as the instrument begins its mission to discover Earth-like planets elsewhere in the Milky Way.
Researchers used detailed observations of an enormous jet of glowing gas and dust to pinpoint the supermassive black hole at the center of galaxy Centaurus A.
For two more years, NASA's Near-Earth Object Wide-field Infrared Survey Explorer, or NEOWISE, will continue its hunt for asteroids and comets – including objects that could pose a hazard to Earth.
Scientists have reconstructed the history of a dust grain that formed during the birth of the solar system. Their findings provide new insights into the formation of planetary systems.
Infrared astronomy expert Amy Mainzer will lead NASA's NEO Surveyor mission to find, track and characterize yet unseen asteroids and comets that may pose a threat to Earth.
UArizona researchers have observed, in unprecedented detail, organic molecules in planetary nebulae. Their work sheds new light on how stars form and die.
