NASA has declared space shuttle Atlantis' crew fit to fly, and weather permitting, the much-delayed 11-day mission to fix the Hubble Space Telescope will take off tomorrow, reports Space.com. Endeavour is standing by just in case Atlantis itself needs rescuing. The mission includes five spacewalks and lots of tinkering with Hubble, in hopes of extending the 19-year-old satellite's life to 2014.
(More Atlantis Space Shuttle stories.)