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

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

Marcus Chown’s “A Crack in Everything” is a journey through space and time with the people studying one of the most enigmatic ...

With images from the Hubble Space Telescope, we have new information here in the Milky Way about our closest neighboring ...

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

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 unveiled the largest-ever photomosaic of the Andromeda galaxy, a sprawling celestial giant with over 1 ...

This rare quasar with spiral arms could help astronomers understand how supermassive black holes feed and grow.

This is the largest photomosaic yet assembled from Hubble Space Telescope observations. It is a panoramic view of the Andromeda galaxy, located 2.5 ...

Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...

The work has revealed that Andromeda is a lot more chaotic than expected. Similar to what recently retired Gaia did for the ...

NASA's Hubble Space Telescope reveals stunning details about the Andromeda galaxy, shedding light on its complex evolution, ...