The current hypothesis is that a valve failed to reseal properly, leading to a ruptured oxidizer tank. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The PCV valve (positive crankcase ventilation valve) is a vital part of the emissions controlsystem on most vehicles. Not every vehicle has a PCV valve, but most do. If yours has one, and if your ...

Marcia Dunn, AP Aerospace writer CAPE CANAVERAL, Fla. -- Shuttle Discovery's astronauts do not need to make an emergency spacewalk to fix a stuck valve at the International Space Station and can leave ...

Bob is a service technician who is well trained and nationally certified. However, he sometimes suffers from the same confusion that all technicians occasionally do - the facts that he gathers may or ...

No new launch date is available yet. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Boeing's Starliner capsule is still under repair as the ...

NASA is considering whether an emergency spacewalk by the crew of space shuttle Discovery is needed to clear a stuck valve in a critical cooling loop at the International Space Station, officials said ...