NASA is considering launching the space shuttle Discovery even if it cannot fix the fuel sensor problem that delayed the shuttle’s scheduled lift-off on 13 July. And at least one former leading NASA ...

NASA engineers believe they understand Discovery’s launch-scrubbing fuel-gauge problem well enough to begin a new countdown over the weekend. The space shuttle would blast off no sooner than 10:39 a.m ...

The shuttle Discovery was cleared for launch Tuesday after senior managers agreed on a strategy that would permit liftoff even if - and only if - the shuttle experiences a fuel sensor problem like the ...

In a disappointing setback for NASA’s effort to return the space shuttle to flight, mission planners called off the launch of Discovery just hours before its scheduled liftoff Wednesday, citing a ...

CAPE CANAVERAL — NASA on Thursday set a tentative launch date of Feb. 7 for Atlantis’ long-awaited mission to deliver a European laboratory module to the international space station. The delay — ...

— -- NASA is finally getting a break. New test results have revealed why fuel sensors on the space shuttle are misbehaving, a problem that baffled engineers and forced the delay of six launches ...

KENNEDY SPACE CENTER, Fla. — The long-awaited launch of the space shuttle Discovery was postponed Wednesday after a sensor in the liquid hydrogen fuel tank malfunctioned, pushing the liftoff to ...