KENNEDY SPACE CENTER, Fla.--NASA managers Thursday ordered another delay for launch of the shuttle Discovery, from early Friday morning to late Friday night, to give engineers additional time to make ...

NASA engineers are testing a leaky helium valve on the space shuttle Discovery to see if the shuttle can still launch to the International Space Station next month or if it must stand down for repairs ...

NASA on Tuesday delayed next week's launch of space shuttle Discovery while it runs tests to determine whether newly installed valves would cause serious damage if they broke during liftoff. The ...

NEW YORK—NASA delayed the planned Feb. 12 launch of the Space Shuttle Discovery by at least a week to allow extra time to evaluate vital fuel valves on the spacecraft. Discovery was slated to deliver ...

CAPE CANAVERAL, Fla., June 2 (UPI) -- A last-minute repair to one of the shuttle's onboard steering engines is forcing NASA to postpone Endeavour's next launch attempt to Wednesday at the earliest, ...

Thisstory was updated at 1:04 a.m. EST. NASAdelayed the planned February launch of the shuttle Discovery for the fourthtime late Friday, leaving the space station-bound construction flight in limboas ...

Thisstory was updated at 10:20 p.m. EST. NASA hasdelayed the planned Feb. 12 launch of the space shuttle Discovery by at least aweek to allow extra time to evaluate vital fuel valves on the spacecraft ...