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

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

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

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

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

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

Astronomers have unveiled surprising new details about a small galaxy, NGC 300, challenging existing theories on galaxy ...

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners ...

The galaxy, located in the constellation Leo, is about the same size as a star cluster within the Milky Way and is about the ...

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

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

New research suggests that most of the atoms within the human body likely spent part of their lives drifting beyond the Milky ...