CAPE CANAVERAL, Fla. -- 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 ...

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.

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 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 ...

Many call it the most dangerous part on the space shuttle, and after nearly two years of intensive redesign work, it remains a major concern to astronauts, outside experts and some NASA engineers. The ...

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 ...

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 ...

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 ...

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 -- 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 ...

The Lee Company’s new 281 ES Zero Leak Detented Shuttle Valve is the latest addition to Lee’s line of miniature detented shuttle valves. The seat in this shuttle valve incorporates an elas- tomeric ...