A suspect fuel valve on the space shuttle Discovery functioned correctly five times during launch pad tests on Wednesday, NASA said. The results mean there's still a chance that NASA will go ahead ...

CAPE CANAVERAL, Florida -- NASA called off the launch of space shuttle Discovery for a second time Tuesday after a critical fuel valve failed to work properly. Launch officials halted the countdown ...

NASA called off the launch of the space shuttle Discovery for a second time Tuesday after a critical fuel valve failed to work properly. Launch officials halted the countdown midway through the ...

Thisstory was updated at 7:00 p.m. EDT. CAPECANAVERAL, Fla. - A broken valve on the space shuttle Discovery forced NASA tocall off the spacecraft?s second launch attempt in a row late Tuesday ...

CAPE CANAVERAL -- Discovery and seven astronauts will remain grounded until at least Friday so technicians can test a faulty propulsion system valve that failed as the shuttle was being fueled Tuesday ...

CAPE CANAVERAL, Fla. — This week’s test to verify a modification to space shuttle Atlantis’ fuel tank ended up revealing a leaky valve in one of the shuttle’s main engines, a problem that would have ...

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 ...

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 ...

NASA’s shuttle managers decided Wednesday to launch the space shuttle Discovery next Wednesday for a two-week mission to the International Space Station. The decision to fly was reached after the ...