A strange discovery by the Mars Curiosity rover suggests the Red Planet was home to an alien nuclear war, and experts investigate if an extraterrestrial Armageddon transformed an earth-like world into the wasteland we know today. Stream Full Episodes of NASA's Unexplained Files: ...

Explore the question of the Fermi paradox: Given a few reasonable assumptions about the chance of life arising elsewhere in the universe and the distances between the stars, why haven’t we uncovered another civilization? - Season Four of Cosmic Vistas zooms in to focus on some familiar solar ...

FBI agents in Blackhawk helicopters swoop on the Sunspot Solar Observatory in New Mexico and close the facility down for ten days. They claim this drastic action was taken because of an employee misusing the internet, but others suspect there is a more frightening reason for the mysterious ...

Experts investigate if a nearby exoplanet could be the home to an alien civilization of strange, metallic monsters after a new discovery confirms that life can thrive on such a world. Stream Full Episodes of NASA's Unexplained Files: https://www.discoveryplus.com/show/nasas-unexplained-files ...

Life in the Universe The Earth gives us a ringside seat on the physical, chemical, geological, and biological evolution of a dynamic terrestrial planet. The abundance of terrestrial planets in remote solar systems motivates the search for life and technology elsewhere in the universe. ...

Why is the symbol of the egg present in all cultures? Does the answer lie out in the stars, or perhaps inside our own brains? Find out in this collection of scenes from "Decoding the Cosmic Egg." #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

Quand des extras terrestres arrivent ... C'est toujours imprévu ... source

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The discovery of extraterrestrial life might face an impossible challenge: the physics of the universe itself. Stream Full Episodes of How the Universe Works: https://www.sciencechannel.com/tv-shows/how-the-universe-works/ Subscribe to Science Channel: http://bit.ly/SubscribeScience Like us on ...

National Geographic's astronomy columnist Andrew Fazekas discuss one of the most detailed maps of the Milky Way to date. Subscribe to CTV News to watch more videos: https://www.youtube.com/ctvnews Connect with CTV News: For the latest news visit: http://www.ctvnews.ca/ For a full video ...

The universe is unbelievably big – trillions of stars and even more planets. Soo… there just has to be life out there, right? But where is it? Why don’t we see any aliens? Where are they? And more importantly, what does this tell us about our own fate in this gigantic and scary universe? OUR ...

atterrissage d'urgence d'une soucoupe volante sur la route en pleine circulation!!! source