World War A - When Aliens Attack | Full Science Documentary

The Ascent of Civilization - Extra Long Documentary: https://youtu.be/BdYiQiIdoI8 Are we alone in the universe? It's one of mankind's most fundamental questions. Perhaps we should really be asking: "Do we really want to know?" Astrologists and researchers discuss the possibility of hostile extraterrestrials, and the potential for galactic violence on earth. -- Welcome to the official Get.factual youtube channel! 🌍 We are a documentary streaming channel covering history, science, technology, and nature. Explore worlds distant, forgotten, and unknown; from the depths of ocean trenches to the far reaches of the cosmos. New uploads of full-length documentaries and docu-series every week! Subscribe here: https://bit.ly/GetfactualSUB