Contractor hitch delays NASA Mars probe
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NASA will miss a  precious opportunity to fly a probe to Mars due to a conflict  of interest in picking a contractor, delaying the mission by  more than two years, officials said on Friday.
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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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NASA mission controllers decided to delay the flight of their supersonic X-43A aircraft until Tuesday after instrument trouble caused them to miss their planned Monday launch.
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NASA&#39;s beleaguered Dawn asteroid probe will have to wait at least one more day to launch after lightning prevented workers from fueling the spacecraft&#39;s rocket Thursday.
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NASA postponed moving  the space shuttle Discovery to a processing hangar on Wednesday  so technicians could replace a leaking seal, likely delaying a  key International Space Station assembly mission.
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Asteroid mission gone 'til September Brief Dawn, NASA's mission to the asteroids, has been postponed again - this time until September. Mission managers had hoped to launch on Monday, but the final decision to delay was taken on Saturday.â¦
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Bad weather has forced Nasa to delay the return to Earth of its space shuttle Atlantis.
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NASA on Sunday delayed the launching of the space shuttle Atlantis until at least Jan. 2 to give engineers time to diagnose and fix its balky fuel tank sensors.
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CAPE CANAVERAL, Florida  - Bad weather forced NASA on Thursday to delay bringing the space shuttle Atlantis back to Earth at least until Friday, the U.S. space agency said.
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A technical glitch with a docking system of a Russian spaceship might postpone the next crew&#39;s launch to the International Space Station by five to 10 days, media
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NASA officials on Monday postponed for a day the launch of an unmanned experimental jet that would have attempted to shoot out across the Pacific Ocean at a record speed of more than 7,000 mph (11,265 kph) after an apparent glitch
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NASA and Orbital Sciences Corp. have postponed today&#39;s launch of the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft because the target satellite, Multiple Paths, Beyond-Line-of-Sight Communications
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com Staff. NASA once again postponed the launch of the Demonstration of Autonomous Rendezvous Technology (DART) spacecraft Thursday due to the discovery of contamination inside the fairing of its Pegasus launch vehicle.
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Two more attempts to regain contact with NASA's Mars Global Surveyor spacecraft failed this week.
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HOUSTON â NASA delayed a spacewalk planned for Sunday because of medical issues with a crew member on board the International Space Station (ISS).
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NASA has delayed the third and final test flight of an unmanned, hypersonic aircraft attempting to fly at 10 times the speed of sound.
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Technical problems have prompted a further delay to the blast-off of a Russian spacecraft to the International Space Station, space officials said on Tuesday.