May 20, 2009 — -- So what do you do if you're the astronauts of the space shuttle Atlantis, and they give you the day off? The astronauts have been going full tilt since their launch on May 11.

Eleven days to the hour after it was scheduled to roll to a safe stop on the landing strip here, space shuttle Columbia returned ... pad the day Columbia lifted off. Now it hung over workers ...

Nearly two years after Columbia shattered in the sky, NASA still has no way of repairing the kind of holes that could doom another shuttle ... insulation that broke off from Columbia’s external ...