The Most Horrifying Black Holes in the Universe

Some black holes are not just cosmic curiosities - they are the most terrifying objects in existence. A 2025 space documentary examining the most extreme, most massive, and most dangerous black holes ever discovered.

Courtesy of Documentary on YouTube. Watch on YouTube ↗

More Space & Cosmos Documentaries

Life Beyond II: The Museum of Alien Life (4K)2020•38m•4K•★9.2Life Beyond: Visions of Alien Life (4K)2024•1h 48m•4K•★9.1Death of the Universe (4K)2019•29m•4K•★9Shouting at Stars: A History of Interstellar Messages2022•32m•HD•★8.8Catastrophe - Episode 1 - Birth of the Planet2014•48m•HD•★8.0Space Hunters Find and Track the Life Span of Kansas Metorites2021•47m•HD•★8.0How Nasa Learned Mars' Biggest Secret2023•46m•HD•★8.04 Hours of Deep Space to Fall Asleep To2024•3h 50m•HD•★8.0How the Sun Shapes Life on Earth2025•45m•HD•★8.0Every Possible Outcome of Humans Making Contact With Aliens2025•50m•HD•★8.0Race to the Red Planet2025•50m•HD•★7.7The Physics of Space Travel - Galaxy2022•52m•HD•★7.2