Add Yahoo as a preferred source to see more of our stories on Google. This comparison of craters begins with Haviland Crater in the US; a meteorite crater in Kiowa County, Kansas, that’s only about 50 ...

Earth’s been around for a long time. And during its tenure as a planet, has been slammed with a lot of cosmic objects; the largest of which left massive craters in their wake. In a new size comparison ...