One of the most mysterious places on planet Earth - the ruins of the ancient town of Arkaim, which is situated on the outskirts of the city of Chelyabinsk. Historians, archaeologists and ufologists have spent many years trying to unravel the secrets...

Women who lived in the major Viking settlement called Birka in the 9th and 10th centuries dressed in a much more provocative manner than previously believed.

Sweden's national television broadcaster announced on Thursday the release of previously unpublished film footage of US Republican Party presidential candidate John McCain leaving North Vietnam following his release from a prisoner of war camp.

Japanese Atlantis: One of the greatest discoveries in the history of archaeology was made last summer, off Japan There, spread over an amazing 311 miles on the ocean floor, are the well-preserved remains of an ancient city.

"Future Big Brother applications are not hard to imagine, like chipping prisoners, the mentally ill and teenagers who lie about where they're really spending Friday night."

Ancient civilizations, the Maya and Ancient Egypt, are known for their incredible art of architecture. The ancient people could never imagine that the form of their pyramids would be used as a model for the latest ecology-friendly construction...

Einstein, the African grey parrot, has a vocabulary of more than 200 words and sounds; she can perform nearly half on cue.

Will the world end on 21st December 2012 because of the end of the Mayan calendar or because the winter solstice is "aligned" with the Milky Way?

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In this video, professor Hawking asks some Big Questions about our universe -- How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them.