A daring mission beyond Earth's atmosphere changes history forever, but one wrong move could leave a human drifting endlessly through the vacuum of space. NASA’s unexplained files explore the extraordinary story of the Soviet Space Program, where Soviet cosmonaut Alexei Leonov became the first man to walk in space, revealing the terrifying reality of floating in space, the risks of a risky space walk, and the fragile limits of every spacecraft. The investigation also revisits the Gemini 4 mission, mysterious comets, the baffling singing comet, a strange radio signal from space, and the role of radio frequency in uncovering the unknown through NASA investigation, NASA research, and ongoing space research into the mysteries of the universe. From life-threatening moments outside a spacecraft to unexplained signals echoing across the cosmos, every discovery raises new questions about what truly exists beyond our world. Some mysteries find answers, while others continue to challenge everything we know about space. Watch NASA's Unexplained Files Season 3, Episode 4 now on Discovery Channel India to experience the extraordinary risks of humanity's first spacewalk and the mysteries still hidden deep in space. 🔔Subscribe Now! - https://www.youtube.com/@DiscoverychannelInd?sub_confirmation=1 🌍 Explore the World’s Greatest Mysteries: https://www.youtube.com/playlist?list=PLN4N_L1U4V6k5x_TLcFjME16xWvvd93Rs 🏕️ Watch Epic Survival Series: https://www.youtube.com/playlist?list=PLN4N_L1U4V6lP-kyI7OBnnCOfGHYU1t8y 👍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 #discoverychannelindia