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

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...

Explore the breathtaking beauty of the cosmos with seven incredible images of star clusters and galaxies captured by NASA.

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

NASA recently released images of the Andromeda galaxy, an "enticing empire of stars" that can ... The Andromeda galaxy is approximately 2.5 million light-years away from the Milky Way. The ...

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

NASA recently released ... survey of the Andromeda galaxy, or Messier 31. The Andromeda galaxy is approximately 2.5 million light-years away from the Milky Way. The observations recorded by ...

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...

These glass plates recorded images of the night sky ... were all moving away from the Milky Way. Hubble’s results suggested the farther away a galaxy was, the faster it was moving away from ...