CAPE CANAVERAL, Fla. – The fretting about Discovery’s liftoff focused on foam insulation covering its fuel tank. But in the end, poor weather scotched Saturday’s much-anticipated space shuttle launch ...

A recent study of 30-year space shuttle program concluded that once the program retires this year, NASA will have spent nearly $200 billion on its 135 space shuttle missions. NASA's first shuttle ...

Paul Weitz, a retired NASA astronaut who commanded the first flight of the space shuttle Challenger and also piloted the Skylab in the early 1970s, has died. He was 85. Weitz died at his retirement ...