Stonehenge was ancient rave spot, new theory says

British researchers on Saturday unveiled a new theory for the origins of Stonehenge, saying the ancient stone circle was originally a graveyard and venue for mass celebrations.

UN launches 'Heritage of Astronomy' portal

Observatories in Britain, France and the United States, a pharaonic temple in Egypt, a 3,000-year-old pillar in China and a 1920s tower in Berlin have been inscribed on a UN-backed heritage list for astronomy, unveiled on ...

New Yorkers marvel at 'Manhattanhenge' sunset

New Yorkers gathered at dusk to witness "Manhattanhenge" -- a rare alignment of the sun with the east-west street grid in which it appears to set between skyscrapers.

The Antikythera time machine

Leonardo da Vinci may have left behind sketches of helicopters, tanks and submarines but it is rare that we find actual artifacts that seem so way ahead of their time. Almost like a science fiction tale of archaeologists ...

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