Aaron Cohen, former head of Johnson Space Center, pioneer of shuttle program, dies in TexasAaron Cohen, the former director of NASA's Johnson Space Center who helped create the space shuttle program, has died in College Station after a long fight with cancer. He was 79. Cohen was named director ...

Space shuttle Discovery transported to launch pad for Easter Monday flight to space stationSpace shuttle Discovery is at its launch pad for an Easter Monday flight to the International Space Station. NASA moved the shuttle out of its giant hangar around midnight Tuesday. The three-and-a-half-mile trip took much of Wednesday ...