After their flight was scrubbed on Wednesday, four astronauts successfully lifted off, which will allow two NASA astronauts ...

The two Boeing Starliner astronauts left behind on the International Space Station are back on Earth, ending an odyssey that ...

Once safely on board, the side ... NASA hired SpaceX and Boeing after the shuttle program ended, in order to have two competing U.S. companies for transporting astronauts to and from the space ...