The golden age of space travel "is just around the corner."
It can shorten space travel to a mere decade as opposed to hundreds of thousands or millions of years.
He says moving to Mars will cost "low enough" that many will be able to afford it.
Will this shut down conspiracy theories once and for all?
It's certainly targeted towards the one-percenter.
That awkward moment when you get sidetracked at a press conference and start talking about aliens...
Stephen Hawking warns us against contacting alien life forms and cites humanity's own recent history.
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