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The US Space Force now has a flag. Here it is.

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Hey, Class of 2020! SpaceX and NASA want to launch your photo on historic Dragon flight

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X-37B: The Air Force's Mysterious Space Plane

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Why a microwave-beam experiment will launch aboard the Air Force’s secretive X-37B space plane

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The Ursid meteor shower: A sparkling winter show

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NASA lays out 'Artemis Accords' for responsible moon exploration

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'Star Trek Online' and 'Neverwinter' join forces to help coronavirus relief efforts

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Watch how the Space Force will launch an X-37B space plane on a secret mission Saturday

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SpaceX Demo-2 with Space.com! Tune in Fridays for weekly updates

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Watch how the Space Force will launch an X-37B space plane on a secret mission Saturday

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In photos: Atlas V launches AEHF-6 military satellite for US Space Force

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Japanese satellite filled with 'shooting star' pellets won't spawn artificial meteor shower after all

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1st super-fast pulsar found snacking on its companion in far-flung star cluster

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6 Planet satellites will hitch rides to orbit with SpaceX Starlink launches

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See Mars meet the last-quarter moon in the predawn sky Friday

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Satellite operator Intelsat files for Chapter 11 bankruptcy

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NASA and SpaceX are now less than two weeks from a historic crew launch

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A sun-watching spacecraft just might fly through tail of Comet ATLAS in rare encounter

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'What Stars Are Made Of' tells the life story of the woman behind a stellar science

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Book excerpt: 'What Stars Are Made Of' (Harvard University Press, 2020)

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Astronauts to ride NASA-adorned Tesla Model X to SpaceX launchpad

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Exploring new tools in string theory

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Pluto's wispy atmosphere may be surprisingly robust

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SpaceX Falcon 9 rocket aces test-fire for next Starlink launch