By Meghna Chakrabarti and Brittany Knotts
Private companies like SpaceX are testing vehicles for manned space missions. We’ll peer out into the near future and next steps in human space exploration.
Ariel Ekblaw, founder and lead of MIT Media Lab's Space Exploration Initiative. (@ariel_ekblaw)
Charles Bolden, NASA administrator from 2009-2017, and a former astronaut and Marine Corps general. (@cboldenjr)