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Next mission to Mars
NASA's next voyage to the Red Planet is introduced by project managers and scientists in this news conference from 1 p.m. EDT on Thursday, July 21. The Mars Reconnaissance Orbiter will launch in August on a mission to provide the sharpest images ever taken of Earth's neighboring planet. (34min 10sec file)

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Shuttle collection
As excitement builds for the first space shuttle launch in over two years, this comprehensive video selection captures the major pre-flight events for Discovery and her seven astronauts.
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BY SPACEFLIGHT NOW

Follow the countdown and launch of the Boeing Delta 4 rocket with the GOES-N weather observatory. Reload this page for the very latest on the mission.