For the last 12 years, Carter Emmart has been coordinating the efforts of scientists, artists and programmers to build a complete 3D visualization of our known universe. He demos this stunning tour and explains how it's being shared with facilities around the world.

Is space travel our salvation? Perhaps, but just not in the ways we might have thought. The sky is a deeply rooted metaphor of the infinite, the untouchable celestial realm inhabited by gods. Those who traveled to the moon reacted genuinely in unscripted ways about where they went, what they traveled through, and how moved they were to see Ea...