Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Jul 13, 2013
A lot of people ask StarTalk Radio host Neil deGrasse Tyson if extraterrestrial life exists and why haven't we encountered any alien life yet.
"Maybe they have visited us in Times Square," Tyson tells us. "But no one noticed because everybody who hangs out in Times Square is just a little crazy."
A more serious concern, though, is that maybe humans are so stupid and uncivilized that aliens have decided we're not worth encountering.
Neil deGrasse Tyson talks about aliens and why it actually might be a good thing that aliens haven't visited Earth yet.
Read more: http://www.businessinsider.com/ Business Insider is the fastest growing business news site in the US. Our mission: to tell you all you need to know about the big world around you. The BI Video team focuses on technology, strategy and science with an emphasis on unique storytelling and data that appeals to the next generation of leaders – the digital generation.