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

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

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

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense," said astronomer James Lee.

An international team of astronomers has solved one of the longstanding cosmic mysteries by uncovering direct evidence of a ...

When cosmologists used different ways to measure the value of sigma 8, a number that denotes how clumpy the universe is, they ...

This effect can also reveal things about the lensing body, including its structure. And because dark matter has mass and ...

Scientists have found evidence for a cosmic collision in the Perseus cluster, a group of thousands of galaxies not far from ...

Exotic properties suggested by recent DESI collaboration data are more likely to apply to dark energy than dark matter, ...

NSF–DOE Vera C. Rubin Observatory is gearing up to illuminate the universe’s darkest secrets with groundbreaking new ...

The structural backbone of this bridge is dark matter, the universe's most ... This investigation hinged on a phenomenon called "gravitational lensing," first predicted by Albert Einstein in ...