A strange, starless cloud on the edge of a nearby galaxy is forcing astronomers to confront one of the biggest unknowns in ...

The biggest objects in the universe are clusters of galaxies, such as the supercluster we live in right now - and including Abell 370, which was captured in a sprawling glittery space-scape by the ...

An enormous map of the universe and how it's changed over time has been made by scientists, and may change how we think about the cosmos and its expansion. This map, made using data gathered by the ...