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By Eric Hand of Nature magazine John Grunsfeld, an astrophysicist and astronaut who fixed the Hubble Space Telescope, has been chosen to lead NASA's science mission directorate, according to several sources with knowledge of the selection.

Now that Atlantis has safely returned to Earth and the 30-year space shuttle program has drawn to a close, it's time to look back at the reign of Discovery, Atlantis, Endeavour and the tragically shortened careers of Challenger and Columbia . Since 1981 NASA has launched 135 shuttle missions, reaching destinations such as the Mir space station, the Hubble Space Telescope and the International Space Station. [More]

As NASA prepares to wrap up its shuttle program , leaving open questions about what comes next for U.S. human spaceflight, the next big thing in NASA's astronomy program has been dealt a blow

By Eugenie Samuel Reich of Nature magazine Amateur historians and astronomers are buzzing with intrigue over allegations that the legendary US astronomer Edwin Hubble, after whom NASA's Hubble Space Telescope is named, may have actively censored the work of a competitor to advance his own career. Professional historians are demanding further evidence, but advocates of the position are already urging NASA to name a future space mission after the slighted researcher

KENNEDY SPACE CENTER--If I'd jumped, I could have touched the belly of the Discovery. Of course, I would have then been escorted unceremoniously from the Orbiter Processing Facility. But I was that close.