Amid tense clashes between NASA and Musk, two NASA science missions launch on SpaceX rocket
Tense, public squabbles between SpaceX CEO Elon Musk and NASA have stirred the space industry, but behind the scenes, space ...
US military’s mini space shuttle returns to Earth after orbiting for 434 days on a secret mission
The U.S. military's classified mini space shuttle has returned to Earth after circling the world for 434 days.