This sprinkling of cosmic glitter makes up the galaxy known as ESO 149-3, located some 20 million light-years away from us, as seen in this stunning space wallpaper. It is an example of an irregular ...

Galaxy clusters are the largest formation in the cosmos maintained by gravity. The Pandora Cluster, made up of galaxies, hot gas and dark matter, sits in one of the most focused areas of filamentary ...

One of the Holy Grails in cosmology is a look back at the earliest epochs of cosmic history. Unfortunately, the universe's first few hundred thousand years are shrouded in an impenetrable fog. So far, ...