What Happens If We’re Contacted By Aliens? | Alien Documentary | Spark

With technology advancing faster than ever, and more and more discoveries being made every day, is the day we contact extraterrestrial life almost here? Subscribe to Spark for more amazing science, tech and engineering videos - Follow us on Facebook: Follow us on Instagram: Content licensed from Espresso to Little Dot Studios. Any queries, please contact us at: realstories@ #Spark #aliens #alienlife #conspiracy #space #spacetravel #isanybodyouthere #nasa