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Investigations have discovered the existence of a “Great Pyramid” hidden under Australian vegetation.

In the days leading up to the Chernobyl disaster, workers at the nuclear plant claimed to have seen a creature known as the “Black Bird”.

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.

Image emerged at a moment in the space race.

The Bohol Hills are one of the main tourist attractions in the Philippines and their unexplained formation is surrounded by legends.

Astronomers calculate that the chance of us being the only civilization in the history of the Universe is just 1 in 10 billion trillion.

Officials in the country have announced plans to build a lunar base by 2030.

The first dimension is height, the second is width, the third is depth, and the fourth is time, but no one has yet been able to explain what is the fifth dimension.