Something The Size of Pluto Once Smashed Into Mars This impact would make the one that killed the dinosaurs look like a pebble. It shook Mars to its core and changed it forever. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Why Do Cameras Do This? How Scientists See Through Walls Using Particles From Space Was There a Universe Here Before Ours? The Big Bang vs the Big Bounce The Science of Laziness Cryonics: Could We Really Bring People Back to Life? Can Science Turn Love Into A Pill?