'Mystery object' delays shuttle
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The space shuttle Atlantis has its Wednesday landing delayed after an unidentified object is seen floating near the vehicle.
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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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NASA engineers studied two potential technical problems that could influence the scheduled launch of the Space Shuttle Discovery, even as the countdown for the Thursday blastoff continues.
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By ASSOCIATED PRESS  Low clouds forced NASA to delay the launch of space shuttle Discovery on Thursday night, and strong winds could delay another attempt for a day or two.
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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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WASHINGTON NASA says it is days away from shipping a newly-designed space shuttle part, a piece that is pivotal in getting the US fleet off the ground again.
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CAPE CANAVERAL, Florida  - NASA postponed the   launch of the space shuttle Atlantis on Wednesday because of a   problem with a power system aboard the ship, officials with the   U.S. space agency said.
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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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By Traci Watson  The astronauts aboard space shuttle Atlantis will search their ship's exterior today for missing pieces of the vehicle after a mysterious object was seen whizzing along near the spacecraft Tuesday.  NASA engineers do not know the object's size or altitude.
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Bad weather has forced Nasa to delay the return to Earth of its space shuttle Atlantis.
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CAPE CANAVERAL, Florida  - A cold front expected to pass over central Florida on Thursday may force NASA to postpone the launch of space shuttle Discovery on a mission to rewire the International Space Station, officials said on Wednesday.
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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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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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CAPE CANAVERAL, Florida  - NASA on Thursday delayed for a day the landing of the U.S. space shuttle Atlantis because of bad weather in Florida.
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By MIKE SCHNEIDER, Associated Press writer  CAPE CANAVERAL, Fla.  NASA postponed the return of Atlantis for at least a day and examined the shuttle for damage that could prevent it from making the journey home after a mysterious object apparently fell off the ship in orbit Tuesday.
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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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By MIKE SCHNEIDER CAPE CANAVERAL, Fla. - NASA on Tuesday postponed next month's launch of space shuttle Atlantis after a hail storm left hundreds of small dents on the spacecraft's external fuel tank and on a wing.