Talk of sending humans to Mars hit a fever pitch this week following SpaceX founder Elon Musk’s big announcement Tuesday.
He outlined an ambitious plan to begin sending cargo missions to Mars by 2018, with the first manned missions leaving by 2022 or 2023. Along the way, he hopes to improve the cost of trips by “5 million percent”, and establish a colony of 1 million souls there within 40 to 100 years. Let’s just say people had questions — The Verge’s Loren G