The discovery, made with the LOFAR (LOw Frequency ARray) radio instrument in Europe, indicates that galaxy clusters, which ...

NASA/ESA's Hubble Space Telescope captures an image of the active galactic center in spiral galaxy UGC 11397, located in the ...

The light that the NASA/ESA Hubble Space Telescope collected to create this image reached the telescope after a journey of ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

NASA compares the universe's biggest black holes with "each other and to our solar system," in this Goddard Space Flight ...

Light from the spiral galaxy UGC 11397 in Lyra took 250 million years to reach Hubble, capturing a glimpse of the distant ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...

The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about 2.5 million light-years. Astronomers use Andromeda to understand the ...

Compact ruddy galaxies seen by the James Webb telescope confound astronomers. Having very little spin at birth may explain the galaxies’ small sizes.

One of the most perplexing discoveries in modern astronomy has been finding supermassive black holes, some weighing billions ...

Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...