Don Pettit arrived in Space City on Sunday (April 20), which happened to be his 70th birthday.

The Space Foundation's 40th Space Symposium got underway with space history lighting up the night sky over Colorado Springs.

(CNN) --The largest space station has grown by more than 100 tons since the first occupants moved in two years ago, but the sprawling orbiting outpost might never live up to the expectations of ...