AdvertisementJapan (Very Carefully) Drops Plastic Explosives Onto An AsteroidApril 05, 2019Geoff BrumfielfacebookEmailJapan's Hayabusa2, seen in this illustration, has been probing the asteroid Ryugu since 2018. The spacecraft is collecting samples that will be returned to Earth. (JAXA/Akihiro Ikeshita)
