NASA's Messenger closes on Mercury
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Arrives Monday for a first fly-by NASA's MErcury Surface, Space ENvironment, GEochemistry, and Ranging spacecraft (Messenger) will on Monday make a close pass of Mercury, marking the first spacecraft visit to the world in 33 years since Mariner 10 dropped by in 1975.â¦
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By Martin Merzer, The Miami Herald  May 31--A two-day flight readiness review ended Thursday with NASA formally clearing shuttle Atlantis and its seven astronauts for a long-delayed mission to the International Space Station.
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NASA engineers Monday were examining a problem with the Hubble Space Telescope's Advanced Camera for Surveys. National Aeronautical and Space Administration officials say the observatory was placed in a protective safe mode at 7:34 a.m.
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NASA's Mars Global Surveyor&#8212;the most productive probe ever to study the planet&#8212;has been out of contact for weeks.
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Astronauts on the International Space  Station and visiting space shuttle Atlantis said goodbye on  Monday as they closed the hatch between their two ships in  preparation for the shuttle&#39;s departure on Tuesday.
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Urgent: Two astronauts wrap up third spacewalk    WASHINGTON, June 15 (Xinhua) -- Two U.S. astronauts ended the third of four spacewalks of Atlantis mission at 9:22 p.m. EDT on Friday (0122 GMT on Saturday), accomplishing multi-task, NASA TV reported.
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CAPE CANAVERAL, Florida  - The astronauts on the U.S. space shuttle Atlantis closed their ship's cargo bay doors on Friday, hoping for good weather that would allow them to return to Earth after two weeks in orbit.
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The longest-lasting orbiter of another world falls silent. Scientists lose hope of reviving NASA's Mars Global Surveyor, blaming a faulty solar panel for the loss. In Gear Factor.
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The space shuttle  Atlantis closed in on the International Space Station on  Saturday as NASA experts studied whether a damaged thermal  blanket at the rear of the orbiter needed repair.
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NASA and the nations involved in the International Space Station project will run out of emergency rescue craft within 18 months and have not decided what to do after April 2006, when the final
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A group that had been fruitlessly searching at sea for missing California scientist Jim Gray has officially called off its search.  The Los Angeles Times said the group, made up of Gray's friends, had joined the U.S.
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HOUSTON -- Seven NASA astronauts will bid farewell to the International Space Station (ISS) Tuesday when their shuttle Atlantis undocks after a busy construction mission.
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By MIKE SCHNEIDER CAPE CANAVERAL, Fla. - After almost 50 start-and-stop commands, dozens of engineering huddles and seven hours of working on the task, NASA decided on Wednesday to leave a 115-foot solar wing on the international space station halfway retracted.
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Genesis engineers and scientists have wrapped the crash site of the solar-wind collecting probe, with hopes of recovering mission objectives. A few disk fragments have been sent to California researchers, but NASA scientists are still working in Utah to preserve the bulk of the cargo.
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NASA engineers and researchers are gearing up to end a hypersonic research program with a world-record flight approaching 7,000 mph over the Pacific Ocean.
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Beams back images of first approach NASA's Messenger yesterday successfully completed its first fly-by of Mercury, passing roughly 124 miles (200km) above the surface of the planet.â¦
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The primary camera on the Hubble Space Telescope has shut down and is likely to be only marginally restored, NASA said yesterday, a collapse one astronomer called "a great loss."