A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Watch the mesmerizing Tarantula Nebula video captured by the Hubble telescope, showcasing the most productive star-forming ...

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

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

When you buy through links on our articles, Future and its syndication partners may earn a commission. Circa 1945: Astronomer Dr. Edwin Powell Hubble sitting in a chair at a desk reading a journal.

"It's easy to romanticize Hubble and his discovery of the universe beyond the Milky Way galaxy, but his work really stood on the shoulders of a number of people," said Jeff Rich, an astronomer at ...