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

The discovery, made with the LOFAR (LOw Frequency ARray) radio instrument in Europe, indicates that galaxy clusters, which ...

LOFAR is a massive radio telescope that comprises 100,000 antennas spread across eight European countries. The researchers used it to study SpARCS1049, a galaxy cluster so far away that the light we ...

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

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

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

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

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 ...

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

Amanda Wilber/LOFAR Surveys Team. Related article New sky survey reveals hundreds of thousands of galaxies. This data release was only 27% of the entire survey, Shimwell said.

LOFAR faces a significant obstacle avoided by space-based telescopes: the ionosphere. This outermost layer of the atmosphere forms a shell of electrons and charged particles around the Earth.

Amanda Wilber/LOFAR Surveys Team. Related article New sky survey reveals hundreds of thousands of galaxies. This data release was only 27% of the entire survey, Shimwell said.