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

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

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

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

A radio telescope in South Africa has unearthed a giant galaxy—dubbed a "cosmic megastructure"—with plasma jets that measure ...

Astronomers have identified a colossal giant radio galaxy (GRG) stretching 3.3 million light-years across—32 times the size ...

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

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

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

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