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

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

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

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. New evidence suggests that it is undergoing a merging process with ...

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

A massive clump of dark matter in the Perseus galaxy cluster is linked to its core by a bridge of dark matter, evidence of a ...

"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 ...

An international team of astronomers has solved one of the longstanding cosmic mysteries by uncovering direct evidence of a massive, long-lost object that collided with ...

Euclid's first data release offers a breathtaking glimpse into our universe, revealing over 26 million galaxies and ...

Dark matter is hypothesized to outweigh "ordinary matter" in the universe by a factor of five. That means all the stuff we ...