Uncertainty over shuttle launch
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Nasa says it is unsure when the Atlantis orbiter will lift off as it grapples with a sensor problem on the shuttle.
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After weeks of delay, space shuttle Atlantis is given a launch date for its next mission.
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CAPE CANAVERAL, Fla. -- The launch of Space Shuttle Atlantis has been scrubbed until Saturday due to a problem with one of the vehicle's fuel system sensors. The new launch time is targeted for 11:14 a.m. EDT.
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By AP Wire Services  Video:  NASA Readies for a Wednesday Launch     CAPE CANAVERAL, Fla.  -- After more than a week of storm delays, NASA may be getting its best shot weather-wise for launching space shuttle Atlantis, officials said Monday.
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Cold and cloudy weather has threatened to scuttle a planned blastoff for the space shuttle Discovery, two days after it was called off at the last minute due to low-flying clouds.
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CAPE CANAVERAL, Florida  - NASA managers had their   fingers crossed on Monday in hopes that this week's planned   launch of the U.S. space shuttle Atlantis will go ahead after a   week's delay due to a lightning strike and a storm.
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NASA wrestled with two late-breaking technical concerns which showed up Tuesday two days before the launch of space shuttle Discovery, but managers weren't sure if they could delay the start of the mission.
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By Mike Schneider THE ASSOCIATED PRESS  CAPE CANAVERAL, Fla. -- Low clouds forced NASA to delay the launch of space shuttle Discovery late Thursday, and a forecast for strong winds prompted the space agency to postpone another attempt by at least two days.
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CAPE CANAVERAL, Fla. -- Forecasters predicted an 80 percent chance that the weather would allow NASA to launch its first space shuttle mission of the year at 7:38 p.m.
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After more than a week of storm delays, NASA may be getting its best shot weather-wise for launching space shuttle Atlantis, officials said Monday. There was only a 20 percent chance that weather would prohibit the shuttle from blasting off at 12:28 p.m. Wednesday as planned, said Kathy Winters, shuttle weather officer.
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By Traci Watson  CAPE CANAVERAL -- Running out of time to launch space shuttle Atlantis, NASA managers decided Wednesday to try for a Friday liftoff if a problem with the shuttle's electrical system can be resolved.
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By Mike Schneider Associated Press  CAPE CANAVERAL, Fla. -- A hail storm left hundreds of divots on space shuttle Atlantis' external fuel tank, and NASA managers weren't sure Tuesday if the damage was severe enough to postpone next month's launch.
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CAPE CANAVERAL, Fla.  -- NASA on Tuesday postponed next month's launch of space shuttle Atlantis so that repairs can be made to damage from a hail storm that left hundreds of small dents on the spacecraft's external fuel tank and on a wing.
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CAPE CANAVERAL, Fla. - NASA managers on Wednesday left open the possibility that space shuttle Atlantis would blast off this week on a mission to resume construction of the international space station.
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CAPE CANAVERAL, Florida  - NASA postponed the   launch of the space shuttle Atlantis from Florida on Friday due   to a problem with a sensor in the spacecraft's external fuel   tank, a NASA official said.
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NASA managers had their  fingers crossed on Monday in hopes that this week's planned  launch of the U.S. space shuttle Atlantis will go ahead after a  week's delay due to a lightning strike and a storm.
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Just three months before launching the first space shuttle mission in two years,  NASA is still undecided about which techniques for in-flight repair on the heat shield to test to ensure the Columbia accident is not repeated.