Just as planets orbit Suns, galaxies can orbit each other. Now, NASA has created some unprecedented images of two such galaxies in the Milky Way's orbit, known as the Large and Small Magellanic Clouds (LMC and SMC). Here, you have an incredible view of these galaxies beneath the plane of the Milky Way.
The Bolshoi Simulation is a massive, incredibly detailed model of everything, providing a comprehensive simulation of the universe's 14 billion year history. Scientists are now exploring the simulation, and we've got some of the most breathtaking results of their efforts.