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 ...

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

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 ...

NASA has finally settled on a Wednesday night launch for space shuttle Discovery. The flight to the international space station was originally set for mid-February, but was delayed four times because ...

The 5.5 × 12.2-mm IMH shuttle valve has a nondetented, selective design to solve problems with hydraulic isolation in manifolds The 5.5 × 12.2-mm IMH shuttle valve has a nondetented, selective design ...

Flight controllers today struggled to open a stuck valve in a cooling loop at the International Space Station. For now, the space station is being cooled properly, but the valve needs to be opened or ...

The 375 detented shuttle valve is for high-pressure applications with system pressures up to 5,000 psi The 375 detented shuttle valve is for high-pressure applications with system pressures up to ...

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 ...

— -- A stuck fuel valve prompted NASA to call off the scheduled launch of the space shuttle Discovery during fueling earlier today. Space shuttle managers and engineers immediately went into ...

The Lee Company’s new 250 Inverse Shuttle Valve is the latest addition to Lee’s line of miniature inverse shuttle valves. The poppets in this shuttle valve are designed to allow the lower inlet ...

The luckless shuttle Columbia and its frustrated crewmen were derailed again Wednesday when problems with a rocket fuel control valve forced NASA to cancel Thursday`s launch attempt–a record fifth ...