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NASA volunteers complete year-long mission in 3D-printed Mars bunker in Texas
Sky News via Yahoo News Singapore· 16 hours agoAfter 378 days in a 3D-printed, Mars-imitation bunker in Texas, Kelly Haston, Anca Selariu, Ross...
New images reveal an asteroid that just whizzed by Earth has an unexpected companion
CNN via Yahoo News Singapore· 12 hours agoScientists at NASA collected radar images as two asteroids made recent close passes of Earth, and ...