The Belleville, Kansas native returned to Earth following a six-month mission aboard the International Space Station in March. He was joined by Suni Williams, Butch Wilmore and Aleksandr Gorbunov.

LOx stands for liquid oxygen. SpaceX said after the repairs are complete, they'll share a new launch date.Start the day ...

The White House earlier this month directed the Defence Department and Nasa to gather details on billions of dollars in ...