At last second, SpaceX delays satellite launch again

In the very last second before liftoff Sunday, SpaceX scrubbed the launch of its Falcon 9 rocket to send a communications satellite into orbit, marking the third delay since last week.

Scientists determine comet delivery to Moon

Southwest Research Institute scientists joined a team that reanalyzed and modeled data from a planned lunar impact more than a decade ago. The findings suggest that volatiles present in a crater near the Moon's south pole ...

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