The lensing galaxy cluster SDSS J1226+2149 has magnified distant galaxies, warping their shapes and creating the bright smears of light spread throughout...
Using the NASA/ESA Hubble Space Telescope and other space and ground-based observatories, astronomers have discovered SDSS J0749+2255, a closely bound...
The galaxy protocluster is question is forming around the recently-discovered Spiderweb galaxy (also known as MRC 1138-262 or PKS 1138-262), an object...
In unveiling the nature of the first stars, the main astronomical clue is the elemental compositions of the second generation of stars, observed as extremely...
Astronomers from the COSMOS-Web program released mosaic images taken in early January 2023 by the Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument...
Light from the distant supernova-hosting galaxy was gravitationally lensed by the foreground galaxy cluster RX J2129.6+0005 (RX J2129 for short).
This...
3C 297 is located about 9.2 billion light-years away in the constellation of Virgo and contains a quasar, a supermassive black hole pulling in gas at the...
New research led by the Swinburne University of Technology shows that the amount of warm carbon suddenly increased by a factor of five over a period of...
Ultramassive black holes with extreme masses of over 50 billion solar masses can be formed in the rare events that are multiple quasar mergers happening...
The newly-discovered galaxy, SPT0418-SE, and its much larger companion, SPT0418-47, reside in a massive dark-matter halo with yet-to-be-discovered neighbors,...
Astronomers using the Atacama Large Millimeter Array (ALMA) have detected a rapidly growing supermassive black hole in COS-87259, a galaxy that forms stars...
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have observed six candidate galaxies with stellar masses as high as 1011 solar masses about...
Webb astronomers estimate 50,000 near-infrared sources are represented in the new image of the huge galaxy megacluster Abell 2744.
This Webb image shows...
GHZ2/GLASS-z12, initially identified in the JWST GLASS survey, existed when the Universe was only 367 million years old (redshift z=12.117).
This image...
In the HighlY Interactive ParticlE Relics (HYPER) model, some time after the formation of dark matter in the early Universe, the strength of its interaction...
Using archival data from the Giant Metrewave Radio Telescope, astronomers have captured a radio signal at a specific wavelength known as the 21 cm line...
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected three high-redshift galaxies with remarkable similarities to ‘green pea’...
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have spotted early galaxies with stellar bars — elongated features of stars stretching...
Intracluster light is diffuse light from stars that are gravitationally bound not to individual member galaxies, but to the halo of galaxy clusters. In...
