Sisters has been named Oregon's newest 'Dark Sky Community,' in recognition of the city’s efforts to curb light pollution.

To celebrate the 100-year Edwin Hubble discovery that Andromeda was a galaxy outside our own, astronomers release the most ...

The Sagittarius A* supermassive black hole at the core of the Milky Galaxy may be "warping the spacetime surrounding it into ...

A South African telescope has identified a colossal galaxy stretching 3.3 million light-years, over 32 times the size of the ...

This NASA/ESA Hubble Space Telescope image features a dusty yet sparkling scene from one of the Milky Way's satellite ...

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

Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

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

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