s it time for humans to inhabit space? SpaceX and NASA certainly think so. Elon Musk's space company had its first rocket test flight and Musk has been vocal about his goal to reach Mars. NASA has also made strides towards space habitation by announcing the crew manning the next mission to the moon and unveiling 3D-printed habitats for four people to live like they would on Mars

The moon is also viewed as the next colonizable territory for the world, which has launched the U.S. into a fierce space race with China. NASA's Artemis mission aims to get people to the moon once again and use that knowledge to "take the next giant leap: sending the first astronauts to Mars." While the effort has set into high gear, there are plenty of critics of space colonization.

To read more, click here.