The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, ...

They made this prediction using a new technique that combines high-resolution supercomputer simulations and novel mathematical modelling. If observed by telescopes, the extra galaxies could provide ...

Quasar 0957+561, the first known gravitationally lensed quasar, lies near NGC 3079 in Ursa Major. Here's how to find and ...