Take a look back at some of the most unsettling UFO encounters on NASA's Unexplained Files. Subscribe to Rush Discovery NZ for more great clips: https://bit.ly/RushDiscoveryNewZealand #rushdiscoverynz #nasasunexplainedfiles Source

#shorts #nasasunexplainedfiles #sciencechannel Source

Subscribe to Quest TV for more great clips: https://bit.ly/3Womgne Have scientists found alien footprints on Earth's moon? 🇬🇧 Catch full episodes of your favourite Quest shows on discovery+: https://bit.ly/3yWZURY Follow Quest on Twitter: https://twitter.com/QuestTV Source

A witness reports a strange object hovering in the night sky and an astronomer records an unusual radio signal from beyond the solar system. #NasasUnexplainedFiles #ScienceChannel Stream Nasa's Unexplained Files: https://www.discoveryplus.com/show/nasas-unexplained-files About Nasa's ...

A mysterious circle of light over Houston has led some people to explore the theory of a UFO circling the skies - and even spying on NASA. From Season 3 Episode 7. 🇬🇧 Catch full episodes of your favourite Quest shows on discovery+: https://bit.ly/3yWZURY Subscribe to Quest TV for more ...

While searching the cosmos for exoplanets, the Kepler space telescope discovers a peculiar star, whose light is behaving in a way never seen before. From Season 3 Episode 1 🇬🇧 Catch full episodes of your favourite Quest shows on discovery+: Subscribe to Quest TV for more great clips: ...

UFO sighting have been reported multiple times from Russia in the shape of a crescent but what is this mysterious object flying across the horizon? From season 3 episode 9. Subscribe to Rush Discovery NZ for more great clips: https://bit.ly/RushDiscoveryNewZealand #rushdiscoverynz ...

A UFO was spotted in a film taken by the crew of Apollo 16 in 1972, but none of the crew members saw this when actually being in outer space. Also, why did it look like the Chelyabinsk meteor exploded? 🇬🇧 Catch full episodes of your favourite Quest shows on discovery+: https://bit.ly/3yWZURY ...

Were humans the only ones to leave their mark on the Moon? Not according to this image. Catch full episodes of your favourite Quest shows here: https://www.discoveryplus.co.uk/ Subscribe to Quest TV for more great clips: http://www.youtube.com/subscription_c... Follow Quest on Twitter: ...

The Hubble Telescope spots something violating one of the universe's most fundamental laws. What did it see? | For more, visit http://www.sciencechannel.com/tv-shows/are-we-alone?/#mkcpgn=ytsci1 Subscribe to Science Channel! | http://www.youtube.com/subscription_center?add_user=sciencechannel ...