3+ Hours of Fascinating Space Documentaries
4 back-to-back feature length episodes of the groundbreaking series 'Secrets of the Universe', full of incredible facts, discoveries and mysteries of the infinite world of space.
Courtesy of Free Documentary Space on YouTube. Watch on YouTube ↗
More Space & Cosmos Documentaries
Life Beyond II: The Museum of Alien Life (4K)2020•38m•4K•★9.2
Life Beyond: Visions of Alien Life (4K)2024•1h 48m•4K•★9.1
Death of the Universe (4K)2019•29m•4K•★9
Shouting at Stars: A History of Interstellar Messages2022•32m•HD•★8.8
Rocket Launching in Scotland | ARTE.tv Documentary2025•31m•HD•★7.7
Building Stuff: Inventing New Ways to Explore | Full Documentary | NOVA | PBS2024•54m•HD•★7.7
Oumuamua: Visitor from Interstellar Space | Free Documentary Space2026•53m•HD•★7.7
Mars 4K: The Most Detailed Views Ever2024•8m•4K•★7.6
Space Documentary 4K: The Rocky Planets - Strange Discoveries2025•3h 12m•4K•★8.2
Antarctica: A Message From Another Planet2021•42m•HD•★8.0
The Miraculous Survival of the Apollo 13 Astronauts2024•44m•HD•★8.0
Do Humans Have a Place in This Universe?2025•54m•HD•★8.0