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The archaeological site of Temehea Tohua on the Polynesian island of Nuku Hiva has a series of strange statues that defy conventional explanations.

Our planet's history includes at least several hundred global magnetic reversals, in which the north and south magnetic poles have swapped places.

An ancient passage full of creepy wooden statues was discovered in Peru, in the abandoned city of Chan Chan.

The biohybrid robot is half electronic and half organic, and could be the first step towards something bigger.

Chinese archaeologists have discovered the remains of "giants" who lived about 5,000 years ago and their bone structure shows they were unusually tall and strong.

For the first time in 2,000 years, tourists will have access to the ancient city of Hegra in Saudi Arabia.

Scientists believe they may have glimpsed a parallel universe crashing into our own.

A British tech businessman seeks help repairing a Cold War-era radar antenna and turning it into a UFO detector.