The Perseus cluster is a vast swirl of thousands of galaxies, all bound together by gravity. Famed for its unbelievable size — containing the mass of some 600 trillion suns — it also has a reputation ...

Astronomers have discovered a long-missing element of a galactic collision involving the Perseus galaxy cluster, located 240 million light-years from Earth. This element, a newly detected "subcluster, ...

Black holes are points in space that are so dense they create deep gravity sinks. Beyond a certain region, not even light can ...

Astronomers investigated the active galactic nucleus Perseus A using the Event Horizon Telescope, spotting a battle between gravity and magnetism. When you purchase through links on our site, we may ...