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

The astronomers who operate powerful Vera C. Rubin observatory released debut images June 23, 2025, showcasing just exactly ...

This stunning image reveals a distant galaxy cluster teeming with energy: galaxies shine in visible light (white), ghostly red clouds unveil a newly discovered radio mini-halo—the most distant ever ...

Astronomers have captured an unprecedented image of the galaxy cluster Abell 2255, revealing intricate, radio-emitting ...

Scientists using NASA's James Webb Space Telescope (JWST) have made an exciting discovery about the early universe. They ...

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

The James Webb Telescope reveals a never-before-seen infrared image: thousands of galaxies and ancient stars expose cosmic ...

A high-speed crash between two dwarf galaxies might explain a unique feature in space – and provide useful information on ...

Learn how scientists found the universe's missing matter hiding in a massive cosmic filament stretching 23.5 million ...

This giant thread, 10 times the mass of the Milky Way and stretching 23 million light-years, is one of the best confirmations ...

Webb discovered dozens of small, powerful galaxies from 800 million years ago that likely drove cosmic reionization by ...

In a dense galaxy cluster, NGC 4858 shows how cosmic winds strip gas, spark new stars, and shape stunning jellyfish-like ...