One Cosmic Rock: The Story of the Asteroid that Changed Our World

Sixty—six million years ago, an asteroid hurtled through space toward an ancient Earth that looked very different from the one we know today. Back then, enormous creatures towered over marshes, soared above forests, and ruled the seas, while smaller life—forms scurried and snarled, swam and bloomed. Then—SMASH!—an icy cosmic rock crashed into the planet, and life on Earth was completely changed.

Though many species were made extinct becau...