Mission to fix Hubble Telescope postponed.. -- NASA's plans to fly a fifth and final space shuttle mission to service the Hubble Space Telescope have suffered another set-back.Hubble managers say ground testing of a critical replacement computer that they hope to install on the orbiting telescope is taking longer than previously expected. And that means an additional flight delay."Delivery in April to support a May launch, I think is a fair thing to say," said Hubble program manager Preston Burch... read more