
Asteroid collisions are not unknown to our planet. The atmosphere protects Earth from most of these heavenly bodies, but the largest ones can make it through. So far, although large asteroids have permanently altered Earth's terrain and the organisms living on it, no asteroid...

Asteroid collisions are not unknown to our planet. The atmosphere protects Earth from most of these heavenly bodies, but the largest ones can make it through. So far, although large asteroids have permanently altered Earth's terrain and the organisms living on it, no asteroid...