KENNEDY SPACE CENTER, Fla.--The shuttle Discovery's planned launch early Wednesday on a space station resupply mission was called off during fueling Tuesday when a valve in a liquid hydrogen feedline ...

Space shuttle Discovery and its crew of seven rocketed into orbit Sunday evening, setting off on a space station construction mission cut short by launch delays that dragged on for more than a month.

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 midway through the fueling ...

The 375 detented shuttle valve is for high-pressure applications with system pressures up to 5,000 psi. The 0.375-in.-diameter shuttle valve has a poppet that latches at either seat to close off the ...

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 ...

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

Early Monday space shuttle Discovery is scheduled to make its penultimate flight into orbit, stuffed to the gills with supplies to sustain the International Space Station. The shuttle will deliver 8 ...