Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

In commemoration of Edwin Hubble's discovery of a Cepheid variable class star, called V1, in the neighboring Andromeda galaxy 100 years ago, astronomers partnered with the American Association of ...

Yet, a century ago, its discovery by Edwin Hubble opened humanity's eyes as to how large the universe really is, and revealed that our Milky Way galaxy is just one of hundreds of billions of ...

In short, Edwin Hubble is the man who wiped away the ancient universe and discovered a new universe that would shrink humanity's self-perception into being an insignificant speck in the cosmos ...

The Andromeda galaxy helped Edwin Hubble settle a great debate in astronomy. Stocktrek Images via Getty Images ...

After decades of tireless work, one astonishing discovery showed those spiral spots were completely ... He only needed a definitive measurement for one of those smudges in order to test the theory.

Legendary Carnegie Science astronomer Edwin Hubble from the Carnegie colleciton at ... a reliable distance marker to targets within our galaxy thanks to the work of Harvard University “computer” ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe ... was nearly a million light years away – too remote to be a part of the Milky Way. Hubble’s work ...