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

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

Webb’s new images of the Bullet Cluster reveal the most detailed dark matter map yet, shedding light on cosmic collisions and ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

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

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

Jee compared dark matter to crystal-clear water in a pond, with pebbles as the galaxies. “You cannot see the water unless ...

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

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 ...

Two galaxy clusters collided, creating a massive shock wave stretching out over 1.6 million light-years long. NASA’s Chandra X-ray Observatory spotted the shock wave earlier this month.