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Two American astronauts will take a short, but unplanned, spacewalk today (Dec. 21) to fix a stuck railcar on the … More

The new photo, which was captured by NASA’s Lunar Reconnaissance Orbiter (LRO), shows a sunlit Earth looming above a rumpled … More

SpaceX has scheduled the launch of its first Falcon 9 mission since a June failure for Dec. 21. The flight … More

I did manage to get out last night and start on the Heart Nebula, only about my 2nd imaging object … More

Scientists and engineers gathered together to figure out what would make a good Martian landing site and what hurdles they’ll … More