Close Encounters
This documentary asks whether Earth has ever had a genuine close encounter with extraterrestrial visitors. It talks to leading physicists and astrophysicists about how alien craft might travel between stars and survive in our atmosphere. The approach weighs the wild claims against what physics allows. It is an engaging watch for anyone curious about UFOs, the search for alien life, and the science behind the speculation. Free to watch in HD on Dr Documentary.
Courtesy of Documentary 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
Canada's Missing Women Tragedy2023•1h 13m•HD•★8.0
Apollo 13: The Explosion That Changed Everything2025•51m•HD•★8.0
Next-Gen Solar Energy: Tapping Into the Sun’s Full Power | FD Engineering2024•52m•HD•★7.9
Answering Questions About Our Flat Universe, If the Milky Stopped Rotating & More2025•48m•HD•★7.8
These are the asteroids to worry about2020•20m•4K•★7.7
Are there Undiscovered Elements Beyond The Periodic Table?2022•21m•HD•★7.7
Space Tech - Rockets, Telescopes & Satellites of the Future | Zenith | Free Documentary Space2025•1h 13m•HD•★7.7
16 Sunrises - An Astronaut's First Mission to Space2023•1h 58m•HD•★8.3