Planetary Science The preparations made by NASA to collect an asteroid sample that landed in the desert 1 year ago After nearly 2 years in space, a NASA spacecraft carrying an asteroid sample is about to reach Earth. NASA is… Study Proposes , Earth-like Exoplanets might be normal known to mankind 5 years ago Earth-like exoplanets might be very normal known to mankind, another UCLA study recommends. Researchers drove by Alexandra Doyle, a University…