Humanity must colonize space and extend life to other planets in order to “preserve the light of consciousness,” SpaceX founder and CEO Elon Musk tweets Monday in response to a new study that explores the Drake equation, a formula on the possibility of intelligent alien life existing out there in the galaxy.
The study from researchers at Oxford University suggested that there’s about two-in-five chance that humans are alone in our galaxy, while there’s a one-in-three likelihood that we’re alone in the entire universe.
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