Avi Loeb says we're not alone, and we should be preparing for a future in the stars - ABC News
abc.net.auSubmitted by abcnewsau1719 in science
Harvard astrophysicist Avi Loeb talks about his recent expedition to recover the first meteor fragments from outside our solar system, and his belief that the future of humanity rests on our ability to become a truly ‘interstellar’ species.