It essentially made Hubble into a new telescope. "ACS has roughly ten times the discovery power of the previous camera," says Mario Livio, astronomer at the Space Telescope Science Institute in ...

(CNN)-- NASA's plans to fly a fifth and final space shuttle mission to service the Hubble Space Telescope have suffered ... meeting a readiness date in that time frame." The additional delay ...

With its more sensitive detectors, the STIS will also permit spectroscopic analysis on more distant objects than previously possible with the Hubble Telescope. In a year or two's time, the ...

If the unprecedented spacewalks did not pan out, the space agency would have had a hard time convincing ... papers based on Hubble data. It is clearly the most significant telescope since its ...