Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

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

It points straight at a fuzzy patch that, under the darkest skies though more likely through binoculars, looks like what it is—a very large and very close galaxy. Also called M31—and our ...

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