Cosmic Smashup

The mounting pace began around 290 million years ago, and likely coincides with some kind of large cosmic smashup in the main asteroid belt between the orbits of Mars and Jupiter.

Don't worry about when the world as we know it might end. NASA has calculated that our entire Milky Way galaxy will crash into a neighboring galaxy with a direct head-on hit - in 4 billion years.

The mounting pace began around 290 million years ago, and likely coincides with some kind of large cosmic smashup in the main asteroid belt between the orbits of Mars and Jupiter.

Don't worry about when the world as we know it might end. NASA has calculated that our entire Milky Way galaxy will crash into a neighboring galaxy with a direct head-on hit - in 4 billion years.