Teacher Barbara Morgan joins the Endeavour crew for a planned Wednesday launch. She was selected as the backup candidate to Christa McAuliffe in the ill-fated 1986 Challenger mission. Idaho Public Television reports on her story.

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The space shuttle Atlantis moved away from the International Space Station Tuesday after a nearly 10-day stay during which astronauts installed a truss and pair of solar arrays, and experienced a temporary computer meltdown.

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Two years after President Bush proposed to return astronauts to the moon, NASA announced plans Monday for manned trips there by 2020 and the construction of a permanent base, most likely near the Shackleton crater on the moon's south pole,…

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NASA announced Tuesday that it would send a final repair mission to the Hubble Space Telescope, tentatively in 2008, to extend the life of the orbiting observatory to at least 2013. Hubble's senior project scientist discusses the history and future…

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NASA has awarded a multibillion dollar contract to Lockheed Martin to build a manned spacecraft to replace the retiring space shuttle fleet and ferry astronauts to the moon and possibly Mars.

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Space shuttle Discovery and a crew of six safely landed at Kennedy Space Center in Florida Monday morning after a smooth 13-day mission to the International Space Station.

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NASA officials deemed the space shuttle Discovery "in excellent shape" Wednesday, hours before the countdown began for Saturday's launch, despite internal disagreements over whether loosened foam will continue to be a problem.

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China successfully launched two astronauts into Earth orbit Wednesday two years after making its first foray into human spaceflight.

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