The X3 Ion Thruster Is Here, This Is How It’ll Get Us to Mars The X3 is a new type of propulsion engine that smashed records during test firings. This engine and other electric propulsion systems will help us reach distant planets faster than ever before. Facebook Prev Article Next Article Space Checkout these cool gadgets... Related Posts SpaceX Wants to Send You To Mars. Here’s How They Plan to Do It. Major Discovery – Big Bang Gravitational Waves NASA Just Revealed There Could Be Life On Saturn’s Moon, Enceladus The Strange Case of the Himiko Blob Why You Would Want to Go on a One-Way Trip to Mars Something Is Entering Earth’s Atmosphere!