The Ancient Greeks concluded Earth was a sphere, which has been validated by scientists ever since. Despite this, there is a movement growing claiming the Earth is flat. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Watch all clips of Explorer here: http://bit.ly/WatchExplorer ➡ Get More Explorer: ...

Exciting evidence emerges of civilizations lost for centuries under the waves, from mysterious underwater pyramids off the coast of Japan to the fabled city of Atlantis itself. Using cutting-edge graphics to reveal what's actually lying on the seafloor, and insight from the world's top marine ...

Life on other planets would adapt to its environment and might be stranger than you could ever imagine. Known Universe: Alien Contact : http://channel.nationalgeographic.com/series/known-universe/4497/Overview ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National ...

Que ce soit sous forme de systèmes binaires, d’amas d’étoiles ou de galaxies, les étoiles ont tendance à se rassembler. Cette semaine, découvrez-en plus sur la vie sociale des étoiles et les différentes danses auxquelles elles se livrent. ****** Pour plus de renseignements // For more ...

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Talk about hanging ten: imagine the wave a meteor could create. Say, 100 feet tall. Ready to ride? ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class ...

The gang hears from a witness firsthand. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo ...

Deep in underwater caverns in the Bahamas lie clues to potential life in the far reaches of space. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About One Strange Rock From award-winning filmmaker Darren Aronofsky comes a mind-bending, thrilling journey that explores the fragility and wonder of ...

Archaeologists and National Geographic grantees George and David Stuart offer keen insights into the art and culture of the Mayans. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Get More Nat Geo Live: http://bit.ly/MoreNatGeoLive About Nat Geo Live (National Geographic Live): Thought-provoking ...

Is it possible that extraterrestrial beings visited our ancient ancestors? Known Universe: Decoding the Skies : http://channel.nationalgeographic.com/series/known-universe/4502/Overview ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's ...

What would aliens on other planets actually look like? ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and ...