The Earth has survived some serious catastrophes. Here are the 4 worst.

Our planet's had a bit of a rough past. But the Earth is nothing if not a survivor.

Here are the four worst things the Earth has survived so far:

1. The Big Splash, aka that time the universe punched Earth in the face and may have created the moon

Imagine a young Earth. Like, super young. Only 20 million years after the solar system even formed. A little precious baby Earth.

Keep Reading
Heroes