A memo sent by the Smithsonian said transporting Discovery could swell in price and result in irreparable damage to the space shuttle. On paper, it reads like a riddle: How do you transport a 120-foot ...

(CNN) - Wednesday marks the 40th anniversary of the Challenger space shuttle explosion. It was a moment of collective grief on Jan. 28, 1986, when the space shuttle exploded during a live broadcast.

Even in retirement, the space shuttle Discovery exudes power, seen across a hangar crowded with planes and jets at its museum home in Chantilly, Va. Charred and worn from its record 39 missions to ...

Bob Ebeling was anxious and angry as he drove to work on the morning of Jan. 28, 1986. He kept thinking about the space shuttle Challenger, cradled on a Florida launchpad 2,000 miles away. Ebeling ...