(CNN)-- The space shuttle ... The shuttle will make another orbit of Earth, while NASA mission managers watch to see if extreme moisture and lightning threaten a safe landing.

A ceremony with astronaut John Glenn, the first American to orbit the Earth, followed where Discovery was displayed nose-to-nose with Space Shuttle Enterprise. Among the attendees were Mike ...

(CNN)-- NASA postponed the landing of space shuttle Atlantis until Sunday because of weather concerns. The next landing opportunity at Florida's Kennedy Space Center will be at 10:11 a.m. ET ...