Believe it or not, this long, luminous streak, speckled with bright blisters and pockets of material, is a structure like our Milky Way
Astronomers suggest the Milky Way could be growing every day
When observing galaxies very similar to the Milky Way, researchers have deduced that they are slowly expanding in size
Funky light signal provides evidence for black hole ‘death spiral’
Two space telescopes have provided the most compelling confirmation yet for a collision between two black holes