NASA Scientist Answers Alien Questions | Tech Support | WIRED

Senior Scientist for Astrobiology Strategy at NASA David Dr. Grinspoon joins WIRED to answer the internet's burning questions about astrobiology. Where do astrobiologists work? What is the probability that humans aren't alone in the universe? Have there been credible UFO sightings documented? What REALLY goes on at Area 51? Was there ever life on Mars? Answers to these questions and many more await on Astrobiology Support. 0:00 Astrobiology Support 0:21 Interesting exoplanets 1:28 Are aliens real? 2:00 Arrival (2016) 3:11 Another exoplanet enquiry 5:10 What would you say you do here 6:08 There’s a starman waiting in the sky 8:24 Flying saucers 9:05 Life: Origins 10:38 Ceres 11:40 A scientific explanation behind UFO sightings? 12:55 Our nearest habitable neighbor 13:42 Water: Why Does Life Need It? 14:42 Assembly theory 15:32 ELI5 The Drake equation 17:43 Europa Clipper and the Moon 18:31 Area 51 18:54 Fermi paradox 19:54 Detecting technosignatures 21:09 SETI 21:54 How did you even detect that 23:10 Confirmed sightings? 24:04 Shadow Biome? 24:47 Sailors fighting in the dance hall / Oh, man! Look at those cavemen go 25:42 Venus 26:15 Is a habitable planet with no tectonic activity plausible? 27:14 Intelligent life in the next 100 years? Director: Lisandro Perez-Rey Director of Photography: LaDawn Manuel Editor: Paul Tael Expert: David Grinspoon Line Producer: Jamie Rasmussen Associate Producer: Brandon White Production Manager: Peter Brunette Production Coordinator: Rhyan Lark Casting Producer: Nick Sawyer Camera Operator: Karl Riemer Sound Mixer: Corey Johnson Production Assistant: Isaiah Baylor Post Production Supervisor: Christian Olguin Supervising Editor: Erica DeLeo Additional Editor: Samantha DiVito Assistant Editor: Billy Ward Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 Listen to the Get WIRED podcast ►► https://link.chtbl.com/wired-ytc-desc Want more WIRED? Get the magazine ►►