Hydrogen gas is leaking again from a vent line on space shuttle Endeavour's external fuel tank.Launch officials have yet to call off Wednesday morning's launch attempt. But it appears unlikely ...

When space shuttle external tanks are filled with liquid hydrogen and liquid oxygen propellant, they weigh nearly 1.7 million pounds (772,727 kg), Lockheed officials said.

LOS ANGELES – ET is coming home. ET-94, a massive external fuel tank built for the space shuttle program but never used in flight, will finally take an epic journey — not in space, but through ...

ET-94 could hold up to 1.6 million pounds of liquid hydrogen and liquid oxygen and thrust the shuttle into outer space with astonishing force. On Sunday, it took more than an hour for it to roll a ...

NASA willrefill the space shuttle Atlantis' large external tank next week in hopes ofisolating a sensor glitch that foiled two attempts to launch an orbital constructionmission this month, the ...

When the space shuttle Endeavour crawled through the streets of Los Angeles to the California Science Center in 2012, it was missing something: the giant external fuel tank on which it rode ...

During launches, the external tank carried propellants — liquid oxygen and liquid hydrogen — that powered the space shuttle's three main engines to help bring the shuttle into orbit. After the ...

Maybe you’ve noticed that in older pictures of the once-budding Space Shuttle Program, the Shuttle’s giant external tank appears brilliant white instead of the rusty orange color we have ...

Already delayed three times, the shuttle Discovery is grounded, until November 30 at the earliest, by a gaseous hydrogen leak that cropped up during fueling. Hydrogen leak grounds hard-luck space ...

The new liquid hydrogen tank will have a capacity of 1.4 million gallons, but with a usable space closer to 1.25 million gallons, the spokesperson clarified. The SLS core stage and ICPS require ...

NASA officials conduct a second fueling test on the space shuttle Discovery in an effort to understand why sensors and valves weren’t working properly during a previous test. IE 11 is not supported.