Atlantis launch: Despite a bleak forecast of thunderstorms and clouds, the shuttle beat the weather in a stunning midday launch, sailing into the sky on one final voyage.
Space shuttle launch: the shuttle Endeavour will not launch this week. Canceled first on Friday and rescheduled for Monday, the shuttle Endeavour has been canceled again, due to mechanical problems.
The Space Shuttle Discovery is ready for its final flight to the International Space Station Thursday, say NASA officials.
Debate is still underway to determine whether the space shuttle Atlantis should get one more flight or be sent straight to a museum.
After this flight of Space Shuttle Atlantis there are only two space shuttle missions left before the orbiters are retired.
NASA has cleared the space shuttle Atlantis for its final launch Friday. The space shuttle program is set to be retired this year.