Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...
Over 20 years ago, the Hubble Space Telescope looked at a little patch of sky for days, with this methodical approach catching the light of galaxies that existed when the universe was not even 1 ...
Add Yahoo as a preferred source to see more of our stories on Google. (Credit: NASA/ESA) It's been 35 years since Hubble came online, so in honor of the intrepid telescope's 35th anniversary, we've ...
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