It was the135th flight in shuttle history. "The space shuttle has changed the way we view the world and it's changed the way we view our universe," Ferguson said. [IMAGEGALLERY galleryid=819 size ...

The Space Shuttle Challenger lifts off from the Kennedy Space Center in Cape Canaveral, Fla., on Jan. 28, 1986. A short time later, the Challenger exploded, killing the crew of seven onboard.

As the steam impairs a guest’s vision, the screen is removed and visitors get a surprise: a full, “envelope” view of the stacked 20-story space shuttle. “It is an amazing experience and we ...

NASA's space shuttle Endeavour launched on Dec. 2, 1993 on the STS-61 mission. The goal was to fix the debilitated space telescope so it could finally start seeing straight.