Hubble's most famous contribution came in 1929 when he showed that galaxies ... research after the 1930s. During World War II, he served in an administrative role for the U.S. military. Edwin ...

Astronomers now know that galaxies are isolated systems of stars, much smaller than the space between them. Edwin Hubble was young and ambitious. At the of age 30, he arrived at Mount Wilson ...

observations by fellow astronomer Edwin Hubble showed that the Milky Way did not encompass the cosmos, and that myriad galaxies exist beyond our own. Hubble’s findings revolutionized humanity ...

Edwin Powell Hubble is renowned for determining that there are other galaxies in the Universe beyond the Milky Way, and for observing that the universe is expanding at a constant rate. Hubble was ...

Edwin Powell Hubble is renowned for determining that there are other galaxies in the Universe beyond the Milky Way, and for observing that the universe is expanding at a constant rate. Hubble was a ...

In the century or so since Edwin Hubble discovered that the Milky Way is just one of countless galaxies in the universe, our understanding of our home galaxy has grown in leaps and bounds. But as ...

Edwin Hubble went on to measure the distances to many galaxies beyond the Milky Way by finding Cepheid variables within those levels. The velocities of those galaxies, in turn, allowed him to ...

These icy bodies contain organic molecules — and don’t fall into any known category of celestial object we’ve seen before.

"We were surprised by the streams of light that were visible near the center of the galaxies, as nothing similar has been observed in the past." Using the Hubble Space Telescope, astronomers have ...

The Hubble constant is one of the most important numbers in cosmology because it tells us how fast the universe is expanding, which can be used to determine the age of the universe and its history. It ...