Spaceship company SpaceX, headed by Tesla CEO Elon Musk, is taking two thrill seekers on a trip around the moon in 2018. It's not the first exciting feat for the pioneering firm: in 2017, it successfully launched a used rocket, the Dragon (pictured), into space.
Contour Crafting on Mars —
Behrokh Khoshnevis, a professor in engineering at the University of Southern California, invented the 3D-printing technology Contour Crafting. He's been working with NASA on the possibility of building a colony on Mars since 2011 and believes that humans can soon do so using the method.
Behrokh Khoshnevis / NASA
The Space Exploration Architecture and Clouds Architecture Office took home first prize for their "Ice House" design in NASA's 2015 3D-Printed Habitat Challenge.
Space Exploration Architecture and Clouds Architecture Office