GREENBELT, Md. – An international team of astronomers using NASA’s Swift satellite and the Japanese/U.S. Suzaku X-ray observatory has discovered a new class of active galactic nuclei (AGN). By now, ...

Galaxies brimming with stars and even evidence of supermassive black holes can be seen in stunning new photos unveiled by NASA captured by its James Webb Space Telescope. The collection depicts ...

NASA’s Chandra X-ray Observatory has found new populations of suspected mid-mass black holes in several starburst galaxies, where stars form and explode at an unusually high rate. Although a few of ...

Scientists from the University of Alabama have used the Chandra X-ray telescope managed in Alabama to find the first two observable candidates for merging dwarf galaxies that form larger galaxies, ...

A glorious view of the galaxy cluster MACS0416. Credit: NASA / ESA / CSA / STScI / J. Diego (Instituto de Física de Cantabria, Spain) / J. D’Silva (U. Western Australia) / A. Koekemoer (STScI) / J.

An international team of astronomers announced the two earliest and most distant galaxies yet confirmed were detected by the James Webb Space Telescope. The two galaxies are believed to date back to ...

The moshing galaxies of Arp 105 dazzle in the Space Image of the Day Monday (March 10), which comes courtesy of Hubble.

The James Webb Space Telescope (JWST) has captured what scientists believe is the most distant known galaxy, after observing what astronomers call a "Cosmic Dawn" for the past two years. NASA said in ...

One of the most interesting galaxies of the study, dubbed 41028 (the green oval at center), has an estimated stellar mass of just 2 million Suns — comparable to the masses of the largest star clusters ...