Aliens, UFOs and life in outer space – these are some topics that will be ever ambiguous and the answers to them would only be found once we come in contact with extraterrestrial life. But when will that happen? A former chief scientist from NASA believes that we will soon have a close ...

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According to statistics, humans are most likely not alone in the universe. Fermi's paradox can help us think about this possibility. Alien civilizations may have already arisen, prospered, and become interplanetary, given the abundance of stars expected to have planets like Earth, where liquid ...

Featuring footage from Filmriot's Sci-fi short "U.F.Oh Yeah". Check him out here: https://www.youtube.com/channel/UC6P24bhhCmMPOcujA9PKPTA Are we alone in the Universe? With more than 100 billion galaxies in the observable Universe and at least 500 billion planets in the Milky Way alone, don't ...

In the previous video, we talked about why humanity seems to have appeared very early in the universe: among the first civilizations that could ever appear. Earliness constitutes a riddle. It makes humanity’s situation seem rather mysterious. Robin Hanson, who introduced the idea of the great ...

But beside this beauty there can be something scary also out there or maybe not. Arthur Clarke said, “We are either alone in this universe or we are not, and both these thoughts are equally scary.” Can it be that we are alone in this Universe? Or if we aren’t, where are all the aliens? - - ...

Gadi Schwartz on one of the biggest existential questions of the time: other intelligent life. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver ...