CAPE CANAVERAL, Fla. — NASA will start the launch countdown for space shuttle Discovery’s STS-120 mission at 2 p.m. EDT Saturday, Oct. 20, at T-43 hours. The countdown includes 26 hours and 38 minutes ...

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The official launch countdown for space shuttle Discovery resumes today, marking the beginning of a second liftoff attempt by NASA since the 2003 Columbia accident. With the new launch set for Tuesday ...

CAPE CANAVERAL, Fla. -- The countdown clocks began ticking again Saturday for NASA's return to space, as shuttle managers voiced optimism -- but not certainty -- that they had fixed the fuel gauge ...

CAPE CANAVERAL, Fla. (AP) -- With a brief but embarrassing setback behind them, NASA crews began fueling Discovery for liftoff Wednesday afternoon on the first space shuttle flight in 2.5 years. The ...

CAPE CANAVERAL, Fla. - For the first time since the Columbia tragedy, NASA's countdown clocks were ticking down the hours, minutes and seconds to launch, heightening the anticipation for a Wednesday ...

CAPE CANAVERAL, Fla. (AP) -- NASA has begun the launch countdown for space shuttle Discovery. The countdown clocks began ticking late Friday night. Discovery is scheduled to blast off early Tuesday ...