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 ...

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 ...

The Dark Energy Camera on the Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory in Chile captured ...

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.

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 ...

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, ...

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 ...