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

A trio of astronomers from the University of Tokyo and Niigata University have found what they describe as "peculiar embedded ...

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...

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

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

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

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...

Gaia was launched on December 19, 2013, and began scanning the stars in July 2014. It mapped over two billion stars, ...

The European Space Agency's (ESA) Gaia telescope has completed its objective - making the most detailed and precise map of ...

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