The Falcon 9 rocket is carrying four astronauts who will replace Wilmore and Williams, both of whom are veteran NASA astronauts and retired U.S. Navy test pilots and were the first to fly Boeing's ...

Butch Wilmore and Suni Williams need SpaceX to get this relief team to the space station before they can check out.

After more than nine months on the International Space Station, two astronauts are a step closer to returning home following ...