An early universe radio jet spanning an astonishing 200,000 light years has been discovered by the International Gemini ...

LOFAR detects a faint radio 'mini-halo' from 3.8 billion years ago, revealing how galaxy clusters evolved in the early universe.

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

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

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

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

Abell 2255 is a cluster containing between 300 and 500 constituent galaxies, many of which are merging. It's located around 800 million light-years from Earth and spans around 16.3 million light-years ...

Jets are cosmic phenomena that could happen in a couple of ways. Now, researchers have found one larger than the Milky Way, ...

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

A faint radio glow reveals a million-light-year halo enveloping one of the earliest galaxy clusters, hinting that energetic ...

Astronomers have uncovered a vast cloud of energetic particles—a "mini halo"—surrounding one of the most distant galaxy clusters ever observed, marking a major step forward in understanding ...