An Unknown Force Is Pulling The Milky Way And Other Galaxies Towards Itself At 12 Million Mph

We don't know why a hundred thousand galaxies, including our own, are being dragged into a region of space we can't see. Astronomers refer to this as a "Gravity Anomaly." 

It's a vast region of space known as "The Great Attractor". Astronomers estimate its mass to be 100 billion Suns. More information can be found in the video below.