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New images reveal an asteroid that just whizzed by Earth has an unexpected companion
CNN via Yahoo News· 2 days agoScientists at NASA collected radar images as two asteroids made recent close passes of Earth, and ...
Even short trips to space can change an astronaut’s biology − a new set of studies offers the most...
The Conversation via Yahoo News· 5 days agoNASA astronaut Scott Kelly, left, who went into space during the NASA Twins...Earth before, during...