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 ...

The plasma jets of this cosmic giant span 3.3 million light-years from end to end - over 32 times the size of the Milky Way ...

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

Giant radio galaxies are cosmic megastructures that can span millions of light-years, making them some of the largest-known ...

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

Astronomers have discovered two strange objects that could be young stars — except they're completely surrounded by ice.

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...

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