It was initially believed the asteroid, first detected on December 27, had about a 1 percent chance of colliding with Earth, but by Thursday, that chance had risen to 2.3 percent. On Wednesday, NASA ...
See multiple views from the Hayabusa2 spacecraft's touching down on asteroid 162173 Ryugu. Credit: JAXA/U. Tokyo/Kochi U./Rikkyo U./Nagoya U./Chiba Inst. Tech./Meiji U./U. Aizu/AIST ...