Using the Subaru Telescope at Maunakea, Hawaii, the team discovered a “Dark Matter bridge” connecting Perseus to a subcluster ...

When cosmologists used different ways to measure the value of sigma 8, a number that denotes how clumpy the universe is, they came up with different estimates. This lack of agreement has come to be ...

Astronomers have captured unprecedented images of the universe’s earliest galaxies using the James Webb Space Telescope, ...

The Perseus cluster is a vast collection of thousands of galaxies, all bound together by gravity. Famed for its unbelievable ...

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Mysterious Phenomenon at Center of Galaxy Could Reveal New Kind of Dark Matter Mar. 10, 2025 — A mysterious phenomenon at the center of our galaxy could be the result of a different type of dark ...

A controversial new theory about how the universe began rejects the widely-held belief that it started with the Big Bang. It ...

The researchers found a huge clump of dark matter about 1.4 million light-years west of the cluster’s center.

Astronomers have made a groundbreaking discovery in the Perseus galaxy cluster, located 240 million light-years from Earth.

An international team of astronomers has discovered a new ghost galaxy, that does not contain dark matter.

Astronomers have stumbled upon yet another ghostly galaxy that appears to be devoid of dark matter, the elusive stuff that ...

T he Perseus cluster is enormous. It has a mass equivalent to 600 trillion Suns, and it looks like it has not stopped growing ...