What Happens When Galaxies Collide?

In about four billion years from now, the Milky Way and Andromeda galaxies will crash together Visualization: NASA, ESA, and F. Summers, STScI Simulation credit: NASA, ESA, G. Besla, Columbia University, and R. van der Marel, STScI (1:16)

Latest Videos

Preview thumbnail for video'A Carnivorous Plant that Flings Insects Into Its Mouth
A Carnivorous Plant that Flings Insects Into Its Mouth (0:38)
Preview thumbnail for video'A Long-legged Prehistoric Spider
A Long-legged Prehistoric Spider (0:07)
Preview thumbnail for video'Ambushed by a Prehistoric Spider
Ambushed by a Prehistoric Spider (0:07)
Preview thumbnail for video'Seismic Waves Shake L.A.
Seismic Waves Shake L.A. (2:27)
Preview thumbnail for video'Traveling Seismic Waves
Traveling Seismic Waves (2:27)
Preview thumbnail for video'Nematocyst Discharge
Nematocyst Discharge (0:04)
Preview thumbnail for video'Jetpack Demo at The Future is Here Festival
Jetpack Demo at The Future is Here Festival (0:45)
Preview thumbnail for video'Milky Way Moves
Milky Way Moves (0:11)
Preview thumbnail for video'What Happens When Galaxies Collide? Now Playing
What Happens When Galaxies Collide? (1:16)