NASA finds more cracks on Discovery fuel tank

NASA said Thursday it has found four more small cracks on the metal supports of the shuttle Discovery's external fuel tank, as the aging shuttle undergoes X-ray testing before its final space mission next year.

Robot's space debut 'giant leap for tinmankind'

Space is about to get its first humanoid from planet Earth. Robonaut 2 - affectionately known as R2 - is hitching a one-way ride to the International Space Station this week aboard the final flight of space shuttle Discovery.

Leaks delay final launch of space shuttle Discovery

The launch of the space shuttle Discovery on its final scheduled mission has been delayed by at least 24 hours until Tuesday because of a leak in a pressurization system, NASA said.

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