If you want to pinpoint your place in the universe, start with your cosmic address. You live on Earth->Solar System->Milky Way Galaxy->Local Cluster->Virgo Cluster->Virgo Supercluster->Laniakea.

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

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

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

NASA's James Webb Space Telescope recently zeroed in on the Bullet Cluster—delivering highly detailed images that show a ...

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

Two galaxy clusters, PSZ2 G181, are set to collide again, 2.8 billion light-years away. They contain thousands of galaxies, dark matter, and superheated gas from previous collisions.

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 ...

This is part of what makes galaxy clusters like PLCKG 287.0+32.9 (pronounced “Planck 287” for short) interesting to astronomers — “they carry memories of our early universe, ...

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

New observations from NASA’s Chandra X-ray Observatory and other telescopes show that the two galaxy clusters involved in the collision, collectively known as PSZ2 G181 and about 2.8 billion ...

This is a summary of: Zhang, Z. et al.Unexpected clustering pattern in dwarf galaxies challenges formation models. Nature 642, 47–52 (2025).. The question. Dark-matter haloes are collapsed ...