We're on a collision course with the Andromeda Galaxy -- here's what will happen to Earth

In 3.75 billion years, Earth's Milky Way Galaxy will collide with the Andromeda Galaxy. Over the next several billion years, the two galaxies will rip each other apart, eventually creating one elliptical galaxy. Produced by Jacqui Frank. Original reporting by Jessica Orwig. Follow BI Video: On Facebook