First Contact with Aliens | Is Anybody Out There? (Alien Life Documentary) | Spark

As the search for extraterrestrial life picks up speed, scientists ponder about First Contact and whether we should consider the ways in which we will communicate with Aliens. Subscribe to Spark for more amazing science, tech and engineering videos - https://goo.gl/LIrlur Follow us on Facebook: https://www.facebook.com/SparkDocs/ Follow us on Instagram: https://www.instagram.com/spark_chann... Content licensed from Espresso to Little Dot Studios. Any queries, please contact us at: realstories@littledotstudios.com #spark #aliens #nasa