Space exploration has changed how we look at the universe, but it's costly, and some of the most iconic NASA missions are ...
A century ago, a star in Andromeda named V1 launched a revolution in astronomy, revealing its true immensity and the origin ...
Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...
Astronomers have found a galaxy 13.1 billion light-years from Earth, making it officially the most distant object ever detected.
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