Scientists Think Mars Once Had Water. So What Happened to It? Mars may have had a core similar to Earth’s. It’s possible that when it diminished, the planet’s water went with it. Facebook Prev Article Next Article Space Checkout these cool gadgets... Related Posts Can You Trust Your Eyes in Spacetime? NASA Brings World’s Fastest WiFi To Space – Laser Powered NASA Says Something Big Came OUT Of A Black Hole What We Know About the Black Knight Satellite of Unknown Origin Is there a center of the universe? Space Elevator – Science Fiction or the Future of Mankind?