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

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

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

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

Astronomers detect 10 billion-year-old radio waves from a distant galaxy cluster SpARCS1049, revealing a mini-halo that ...

LOFAR is a massive radio telescope that comprises 100,000 antennas spread across eight European countries. The researchers ...

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

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 ...

A cloud of high-energy particles surrounding a distant galaxy cluster offers a rare glimpse into the forces shaping the early ...

“For example, Chandra’s X-rays reveal the high-energy radiation around the supermassive black hole at the center of M31 as ...