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NASA and UArizona scientists were able to significantly reduce uncertainties about asteroid Bennu's orbit and determine the likelihood of the asteroid impacting Earth between now and the year 2300.
Scientists have long debated what is under the surface of Mars' south pole. A new study points to clays being more likely than a subsurface lake.
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.
New research by a UArizona undergraduate finds that asteroid 16 Psyche, the target of an upcoming NASA mission, may not be as metallic or dense as predicted.
UArizona researchers have observed, in unprecedented detail, organic molecules in planetary nebulae. Their work sheds new light on how stars form and die.
An international team of scientists, including several from UArizona, has completed the largest-ever map of the universe, spanning more than 7 billion light-years.
