Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

On January 29, 1931, the world's premier physicist, Albert Einstein, and its foremost astronomer, Edwin Hubble, settled into the plush leather seats of a sleek Pierce-Arrow touring car for a visit ...

When Einstein learned of Edwin Hubble's observations that the universe is expanding, he promptly jettisoned the constant.) Returning to the quantum, by 1919, six years before the invention of ...

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

Get a sneak peek at Academy Award-winning actor Geoffrey Rush and newcomer Johnny Flynn as Nobel Prize-winning physicist Albert Einstein, in National Geographic's global event series GENIUS ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

Circa 1945: Astronomer Dr. Edwin Powell Hubble sitting in a chair at a desk reading a journal. A staff member at Mt. Wilson Observatory, he was the first scientist to offer observational evidence ...

It wasn't until 1949 that the term "big bang" came into fashion. This was a relief to Edwin Hubble's contemporary, Albert Einstein, who deduced the universe could not remain stationary without ...