Science & Tech
Former NASA Chief Joins National Security Space Firm
"The spacecraft can also be refueled, and it can refuel others."
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Science & Tech
Pentagon Cancels Troubled Military Space Program Over GPS Risks
Problems with the ground system would have "put current GPS military and civilian capabilities at risk."
Science & Tech
Four astronauts are back home after a daring ride around the Moon
"I can't imagine a better crew that just completed a perfect mission right now."