Science DiscoveriesHave you ever thought about aliens? I mean, have you ever thought about the possibility that we aren’t alone? What if Earth is just one of many planets in the universe and intelligent life is out there somewhere? Just like how on earth are we supposed to know? Before you dismiss this as an absurd question, I highly recommend you watch this video. It might change your perspective. Over the past years NASA has heavily invested into researching extraterrestrial life.