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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.
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.
