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

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

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

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

Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the ...

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

If we could go back 101 years, we would encounter a time when scientists still thought the Milky Way was the entirety of our ...

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

High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.

The future of galaxies remains one of the most interesting topics for experts. In fact, they will not survive the passage of ...

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

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...