Astronomers who simulate galaxies do not always get the same result, even when they start from identical conditions. New ...

The galaxy cluster Abell 2029 is sometimes described as "the most relaxed cluster in the universe." This moniker does not ...

Chinese scientists and international collaborators have used one of the largest cosmological simulations ever created to ...

BEIJING -- A Chinese-led international team has released the largest-ever cosmological simulation, named "HyperMillennium," offering scientists a powerful digital tool to explore cosmic evolution.

Does dark matter interact with itself? The answer may lie in vast clusters of colliding galaxies. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Strange behavior in a massive cluster of merging galaxies could be explained if dark matter, the universe's most mysterious stuff, can collide with itself. However, the most favored model of cosmology ...

Astronomers have explained how a galaxy cluster maintains its heat, despite emitting X-rays that cool the hot gas at its center. The group discovered the existence of a fast-moving, high-temperature ...

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The XRISM science team, including members of Nagoya University, has explained how galaxy clusters maintain their heat despite emitting X-rays, which typically have a cooling effect on the hot gas. By ...