When it comes to the Milky Way and Andromeda galaxies, there’s a whole “will they or won’t they” thing going on. In 2012 ...
Look closely at this image from NASA's Hubble Space Telescope and you'll see galaxies of various shapes and sizes clustered together toward the center-left of the image. A few foreground stars shine ...
Our galaxy and its nearest large companion, Andromeda, may be headed for a collision on a cosmic scale. What happens then?