NASA's first planetary defense mission target gets a new name

Nearly two decades ago, a near-Earth asteroid was discovered to have a moon and the binary system was given the name "Didymos"—Greek for "twin," a loose description of the larger main body and the smaller orbiting moon, ...

Small satellite concept finalists target moon, Mars and beyond

NASA has selected three finalists among a dozen concepts for future small satellites. The finalists include a 2022 robotic mission to study two asteroid systems, twin spacecraft to study the effects of energetic particles ...

NEOWISE celebrates five years of asteroid data

NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) mission released its fifth year of survey data on April 11, 2019. The five years of NEOWISE data have significantly advanced scientists' knowledge of ...

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