NASA's mission is to explore the unknown and search for answers, launching astronauts and spacecrafts deep into space to unlock the greatest mysteries of the universe. But nothing could prepare them for a mysterious object floating over Earth's atmosphere that nobody can identify or explain. A black ship, a stealth craft or something from a world we don't yet know. This space mystery dates all the way back to 1950 and NASA still has no answers. This is space exploration at its most chilling, most explosive and most legendary. The fountains of life, alien life and the greatest unexplained NASA mystery ever captured on film. What is the black ship above Earth and why has it been there since 1950? Tune in to NASA's Unexplained Files only on Discovery Channel India. 🔔Subscribe Now! - https://www.youtube.com/@DiscoverychannelInd?sub_confirmation=1 🎥Watch Man vs Wild With PM Modi and Bear Grylls - https://www.youtube.com/playlist?list=PLN4N_L1U4V6me_IiXfiUhpMfAlTrCROR1 🛸 Explore UFO Mysteries: https://www.youtube.com/playlist?list=PLN4N_L1U4V6kAsEV2KRmpKb9TjGsNzX04 👍Do Not Forget To Like, Share, and Comment on Our Videos. 📲Also, Follow Us on Social Media Facebook: www.facebook.com/DiscoveryChannelIndiaOfficial/ Twitter: twitter.com/DiscoveryIN Instagram: www.instagram.com/discoverychannelIn/ #DiscoveryChannel #DiscoveryChannelShows