A distant cluster of galaxies is wrapped in a vast halo of high-energy particles that could be the work of supermassive black ...

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

NASA Chandra X-ray telescope data from galaxy cluster Abell 2146 showed a "shockwave that stretches for some 1.6 million ...

Using the Very Large Array (VLA), astronomers have performed radio observations of a galaxy cluster Abell 2744, nicknamed ...

NASA's James Webb Space Telescope recently zeroed in on the Bullet Cluster—delivering highly detailed images that show a ...

Abell 2255 is a cluster containing between 300 and 500 constituent galaxies, many of which are merging. It's located around ...

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

Using NASA's Chandra X-ray space telescope, astronomers have discovered that a galaxy cluster is wrapped in an envelope of ...

Astronomers have discovered the most distant mini-halo ever seen—10 billion light-years away—revealing that galaxy clusters ...

The Bullet Cluster, named for its distinctive shape, has long been considered a smoking gun for the existence of dark matter ...

Jee compared dark matter to crystal-clear water in a pond, with pebbles as the galaxies. “You cannot see the water unless there is wind, which causes ripples. Those ripples distort the shapes of the ...