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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SPACE.com / CAPE CANAVERAL, Fla. - NASA put off Friday's launch scrub decision for the space shuttle Atlantis as long as possible to determine whether a fuel sensor issue warranted keeping the orbiter Earthbound for one more day, top shuttle officials said today.
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CAPE CANAVERAL, Florida  - NASA managers decided   on Thursday to attempt to launch the space shuttle Atlantis on   Friday despite a problem with a power generator on the   spacecraft, a NASA official said.
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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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By Staff Reports  Video:  Hail Storm Damage Delays Shuttle Launch     CAPE CANAVERAL, Fla. -- NASA on Tuesday postponed next month's launch of space shuttle Atlantis after a hailstorm left hundreds of small dings on the spacecraft's external fuel tank.
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Possible rain and clouds threaten to delay Thursday's launch of space shuttle Discovery.
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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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A scheduled March 15 launch has been delayed after the external fuel tank attached to the shuttle Atlantis and possibly the orbiter itself were damaged by a hailstorm at the launch pad Monday afternoon.
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CAPE CANAVERAL, Florida  - NASA fueled the space   shuttle Atlantis for launch from Florida on Friday but a   problem with a sensor in the spacecraft's external fuel tank   may prompt another delay, officials said.
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By MIKE SCHNEIDER  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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NASA has said it is aiming for a mid-May launch of the first shuttle flight since the Columbia tragedy in February 2003. The launch date was the latest of several set by the space agency, and just as subject to change.
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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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NASA planned to try  again on Saturday to launch the shuttle Discovery on a mission  to rewire the International Space Station, but the weather  forecast kept the nighttime launch in doubt.
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By AP  CAPE CANAVERAL, Fla.    An electrical problem forced NASA to postpone Wednesday's liftoff of the space shuttle Atlantis yet again, and engineers faced with a tight launch schedule struggled to understand the problem.
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CAPE CANAVERAL, Florida  - NASA planned to try again on Saturday to launch the shuttle Discovery on a mission to rewire the International Space Station, but the weather forecast kept the nighttime launch in doubt.
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By SETH BORENSTEIN CAPE CANAVERAL, Fla. - An electrical problem forced NASA to postpone Wednesday's liftoff of the space shuttle Atlantis yet again, and engineers faced with a tight launch schedule struggled to understand the problem.
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The countdown clock on Sunday began ticking toward a Wednesday launch of the space shuttle after a week of weather delays kept Atlantis grounded. The launch time was set for 12:29 p.m. EDT Wednesday. If the shuttle does not lift off then, NASA has launch opportunities on the following two days.