NASA’s Next Moon Rocket Runs on Shuttle Engines—Here’s the Story Behind Each One

NASA is getting ready to launch its massive, fully expendable rocket for the first crewed flight to the Moon since Apollo.
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This Engine Sucks Energy From Deep Space Without Leaving the Ground

This engine won't be fueling interstellar missions, but still finds an unexpected way to use deep space energy to generate power. Reading time 3 minutes Deep space may provide hidden sources of energy ...