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 ...

Imagine the ambitious engineering project and potential benefits of constructing a bridge extending into outer space.

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense within the context of a major merger." ...

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