"Aliens Are Coming To Destroy Us" - Elon Musk's Terrifying Warning NASA has been very interested in planet Mars and has sent multiple rovers to explore the terrain! As somebody planning to set up a permanent outpost on the planet, Elon Musk has been paying to all the discoveries NASA's rovers ...

Visit http://TED.com to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. Aliens have invaded ancient history: they've cropped up in humanity's past through popular television and movies, displacing facts with absurd yet commonplace ...