Galaxy clusters are formed by a dense packing of many galaxies, making them the most massive structures in the universe.

Scientists have detected a surprisingly hot galaxy cluster dating back to the universe’s infancy. The cluster formed far earlier and burned far hotter than current models predict. Researchers believe ...

A quantum trick based on interferometric measurements allows a team of researchers at LMU to detect even the smallest ...

Just 1.4 billion years after the Big Bang, astronomers have identified a galaxy cluster “atmosphere” that appears far too hot ...