NASA's unmanned New Horizon spacecraft, now zooming into outer space beyond Pluto, will fly by a small space rock known as Ultima Thule on New Year's.
USA TODAY, USA Today
Thu, 12/27/2018 - 9:56am
NASA's unmanned New Horizon spacecraft, now zooming into outer space beyond Pluto, will fly by a small space rock known as Ultima Thule on New Year's.