In 1958 the great extragalactic astronomer George Abell of UCLA compiled a catalog of galaxy clusters. It was extended by Abell and collaborators in 1987 and eventually contained 4,076 clusters.

34,534 people played the daily Crossword recently. Can you solve it faster than others?34,534 people played the daily Crossword recently. Can you solve it faster than others?

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and three radio telescopes (LOFAR, the GMRT and the VLA). See a composite ...

Japanese astronomers have presented new results of observations that suggest an unidentified X-ray source designated AX J145732−5901 is a cluster of galaxies behind the galactic plane.

Samsung has just announced that it will officially unveil the next Samsung Galaxy phone next Monday on May 12 at 8PM EST. As with other recent releases, you can already register your interest via ...

X-ray: Generate and Analyse is a module designed to make the analysis of XMM observations simple and efficient. It provides an interface with SAS for the creation of XMM data products, as well as a ...

What can heat distribution within galaxy clusters, which often consist of hundreds to thousands of galaxies, teach astronomers about their formation and evolution? This is what a recent study ...

Galaxy cluster Abell 1489 is seen here in an image from the International Gemini Observatory. Galaxy cluster Abell 1489, as imaged by the International Gemini Observatory, contains more than 200 ...

Its latest image shows thousands of galaxies packed together in clusters. The European Space Agency (ESA) said that these galaxies glow with white-gold light. "We see this galaxy group as it appeared ...

Samsung Galaxy Z Fold 7 and the Galaxy Z Flip 7 launch might not be far away. And according to new reports, the highly anticipated foldable devices could be announced as early as July like its ...

Gozaliasl, A. Koekemoer, M. Franco, and the COSMOS-Web team This hot gas is important as researchers know that many galaxy clusters have large amounts of intergalactic gas, and that this gas could ...

Typically it takes a few hundred million years for a cluster of stars that are born ... with stars that are set to rush out across the galaxy in a totally haphazard, uncoordinated way, which ...