SpaceX grounds Falcon 9 missions, could impact ISS launch

NASA said Tuesday its next crew rotation to the International Space Station could be delayed after SpaceX announced it was grounding flights of its Falcon 9 rocket to investigate an unspecified issue.

How to prevent charge buildup in a lunar rover

As they roll across shadowed regions of the moon's surface, future lunar rovers could develop hazardous buildups of electric charge on their wheels. Through new analysis published in Advances in Space Research, Bill Farrell ...

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