Ourfirstknowninterstellarasteroidlikelycamefromabinarystarsystem.That’sthelatestresultofstudyfromastronomerswhowereamazedbythemysteriouscigar-shapedobject,detec
The"HalloweenAsteroid"willbebacknextyear.Thegiantspacerock,whichflewpastEarthduringHalloween2015,gainedpublicattentionbecauseitbearsanincredibleresemblancetoahu
WiththehelpoftheHubbleSpaceTelescope,aninternationalresearchteamhasobservedanunusualpairofspacerocksintheasteroidbeltbetweenMarsandJupiter.Thisbinaryasteroid,la
NASA’sasteroid-chasingspacecraftswungbyEarthonFridayonitswaytoaspacerock.Launchedayearago,Osiris-Rexpassedwithin10,711miles(17,237kilometers)ofthehomeplanetearl
To date, astronomers haven't seen asteroid families (that is, asteroids with a common source) in the Solar System older than about 3 billion years -- well after the star system came to be 4.5 billion years ago.
Todate,astronomershaven'tseenasteroidfamilies(thatis,asteroidswithacommonsource)intheSolarSystemolderthanabout3billionyears--wellafterthestarsystemcametobe4.5bi
Throughoutits4.5-billion-yearhistory,Earthhasbeenrepeatedlypummelledbyspacerocksthathavecausedanythingfromaninnocuoussplashintheoceantospeciesannihilation.Whent
U.S. space agency NASA on Thursday launched the nation's first mission that will visit an asteroid and bring precious samples back to Earth.
Mitsubishi Heavy Industries, Ltd. and the Japan Aerospace Exploration Agency (JAXA) announced Monday that they will launch their second-generation asteroid explorer Hayabusa 2 on Dec. 3.
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