NASA rules out Friday shuttle launch
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CAPE CANAVERAL, Florida  - NASA rescheduled space shuttle Discovery's liftoff for Saturday after thick, low clouds forced a postponement of the first launch attempt on Thursday night.
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NASA further delayed  the launch of the space shuttle Atlantis until at least Friday,  a NASA official said on Wednesday.
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NASA plans to launch the first shuttle mission of 2007 from the Kennedy Space Center at 7:38 p.m. Friday.
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Urgent: NASA rules out Thursday launch of Atlantis    NEW YORK, Sept. 6 (Xinhua) - NASA managers ruled out a launch attempt on Thursday,  but said Friday still was a possibility, AP reported Wednesday.
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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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CAPE CANAVERAL, Florida  - NASA postponed the   launch of the space shuttle Atlantis on Wednesday due to a   technical problem with the spacecraft's onboard power supply, a   NASA official said.
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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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CAPE CANAVERAL, Florida  - NASA hopes to launch   its December shuttle mission a week earlier than planned to   give its workers time off for the holidays, agency officials   said on Friday.
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CAPE CANAVERAL, Florida  - NASA postponed space shuttle Discovery's liftoff on Thursday night because of thick, low clouds at the Florida launch site.
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CAPE CANAVERAL, Florida  - NASA postponed the   launch of the space shuttle Atlantis on Friday after a fuel   sensor failed, only the latest delay of its mission to restart   construction of the International Space Station.
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By AP Wire Service  Video:  NASA Scrubs Discovery Launch      CAPE CANAVERAL, Fla.  -- Low clouds forced NASA to delay the launch of space shuttle Discovery Thursday night, and strong winds could delay another attempt for a day or two.
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CAPE CANAVERAL, Florida  - NASA on Tuesday   postponed the landing of the space shuttle Atlantis by a day,   partly because of poor weather forecast for the Kennedy Space   Center in Florida.
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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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NASA said it did not expect to launch the shuttle Atlantis toward the International Space Station before September 6 at the earliest.
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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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NASA will try again on  Friday to bring the U.S. space shuttle Atlantis and seven  astronauts home after bad weather prevented its planned landing  in Florida on Thursday.
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CAPE CANAVERAL, Florida  - NASA is finally ready to fly its first mission of the year, with space shuttle Atlantis and seven astronauts scheduled for liftoff at 7:38 p.m. EDT on Friday from the Kennedy Space Center in Florida.