http://www.newsweek.com/elon-musk-tell-you-if-theres-aliens-ufos-uaps-spacex-1707832 > SpaceX CEO Elon Musk has said he will be "the first to tweet about it" if he becomes aware of alien life. > Speaking at a summit hosted by podcast group All-In on Monday, Musk said he would make sure to let people know about extraterrestrials if they became known to him.