Nasa fears worst for spacecraft
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The US space agency says the veteran Mars Global Surveyor spacecraft is probably lost and unrecoverable.
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By MIKE SCHNEIDER   Associated Press writer  CAPE CANAVERAL, Fla. -- Clouds of concern gathered for Thursday night's liftoff of the space shuttle Discovery as NASA downgraded launch chances to 40 percent due to weather.
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NASA knows Columbia sustained damage on liftoff. But engineers' concerns get swept aside by mission control, at the cost of seven lives. Compiled by Tony Long.
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CAPE CANAVERAL, Florida  - Bad weather forced NASA to skip a first opportunity on Thursday to bring space shuttle Atlantis back to Earth but the U.S. space agency could make another attempt later in the day.
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Earlier this year, NASA administrator Sean O&#39;Keefe nixed a final shuttle service mission to Hubble scheduled for mid-2006, saying it posed too much of a risk to the lives of astronauts.
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The battering that the hurricanes of the last month has inflicted on NASA centers could strain an already tight schedule for resuming shuttle flights, but it is too early to tell how badly, experts said Thursday.
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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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Mission scientists worry that nearly a month's worth of storms could permanently damage or disable the Mars rovers exploring the Red Planet.
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The repair of a landing gear leak on the  space shuttle Discovery could put in jeopardy the U.S.  spacecraft&#39;s October 23 launch date on a construction mission  to the International Space Station, NASA said on Monday.
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The explosion of a rocket stage in space has created a huge debris field that could threaten spacecraft.
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KENNEDY SPACE CENTER Still plagued by problems after the Columbia shuttle disaster, NASA has announced a new target date for getting its spacecraft off the ground.
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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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NASA researchers are one day away from testing what they hope will be the space agencyâs first unmanned vehicle capable of meeting up with other orbiting spacecraft.
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Weather concerns are growing as NASA nears its scheduled launch of the shuttle Discovery.
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The nation's storm forecasters are badly divided over claims that an aging satellite leaves America vulnerable
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Americans fear that the United States has frittered away 35 years of space superiority, and a new generation of rivals is about to shove it into second place.
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Clouds of concern gathered for Thursday night's liftoff of the space shuttle Discovery as NASA downgraded launch chances to 40 percent due to weather.