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Space scientists have captured a rare cosmic event: two galaxy clusters have collided and are poised to smash into each other again. Galaxy clusters are some of the largest structures in the Universe, ...

Roughly 2.8 billion light-years from Earth, two galaxy clusters are engaged in a cosmic tussle. These enormous structures last collided about a billion years ago, but now, it appears they’re going ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

A giant black hole in NGC 4486B reveals a recent cosmic merger that has astonished the astronomical community.

Why it's so special: Galaxy clusters act as a magnifying lens, shining light on the faintest and most distant objects — a phenomenon known as gravitational lensing. On the rarest of occasions, galaxy ...

New observations from NASA's Chandra X-ray Observatory and other telescopes have captured a rare cosmic event: Two galaxy clusters have collided and are now poised to head back for another swipe at ...

NASA’s flagship X-ray observatory is starting the calendar with a flourish, unveiling a richly detailed view of a distant system nicknamed the Champagne Cluster. The new composite image captures a ...

The galaxy cluster PLCKG 287.0+32.9, located 5 billion light-years away, exhibits an exceptionally violent collision of three subclusters, characterized by extensive turbulence and shock waves.

CC0 Usage Conditions ApplyClick for more information. Astronomers taking inventory of the material in the local universe keep coming up short. A new result from NASA’s Chandra X-ray Observatory about ...

Celebrate the New Year with the “Champagne Cluster,” a galaxy cluster seen in this new image from NASA’s Chandra X-ray Observatory and optical telescopes. Astronomers discovered this galaxy cluster ...