galaxy
What If Aliens Brought Life to Earth?

It's the oldest question on Earth. Where did we come from? Some people may thank a creator from above, but what if the hand that created humanity wasn't divine? What if aliens brought life to Earth? How could a meteor carry life to our planet? Could microbes survive the cold vacuum of space? And ...

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Did Aliens Nuke Mars? | NASA's Unexplained Files

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: ...

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Where Are The Aliens? | Cosmic Vistas | Spark

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 ...

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An Exoplanet Home to Metal Aliens? | NASA's Unexplained Files

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 ...

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The First Aliens | A Brief History of Aliens in Science Fiction

Once, mankind looked up at the night sky, at the stars shining in the black abyss and they called them gods. Eventually, we realized that in actuality our own sun was just like each of those billions of stars out there in the darkness. It only took one leap of thought for someone to ask the ...

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Leben im Universum – Exobiologie

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. ...

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