Today In The Space World on MSN

The Andromeda Galaxy is racing toward the Milky Way and an unstoppable cosmic collision awaits our galactic future

The Andromeda Galaxy, the nearest major galaxy to the Milky Way, is slowly moving toward us at incredible speed. Astronomers ...
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Milky Way and Andromeda galactic smash-up odds now at 50-50

Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using 100,000 supercomputer simulations. Credit: NASA's Goddard Space Flight Center ...