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.

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

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

Researchers from the University of Connecticut have created the first 3D maps of star-forming gas clouds in one of the most ...

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

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 ...

The Hubble Space Telescope has generated the most comprehensive survey yet of the Andromeda galaxy, the nearest galactic ...

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

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

A strange break in a stream of stars in the Milky Way could be the result of dark matter, but only if the dark matter is hot ...