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

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

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

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 ...

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

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 intrepid mapping mission has collected more than three trillion observations that'll change the way we see our neck of ...

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

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

Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of ...