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4 tiny, Earth-like planets found circling 2nd-closest star system to us — and could be visited by future human generations
A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...
Inside the mission that brought NASA's 'stranded' astronauts home
After 268 days without fresh air or a proper shower, Butch Wilmore and Sunita Williams made their final journey back to Earth.