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Although they are a great archaeological find, the origin of the stone spheres remains a mystery to mankind.

The site is so impressive that it became known as the "Pompeii" of America.

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

Treasure hunters have searched for the Holy Grail for centuries, and hundreds of people have claimed to possess it.

The advancement of science will probably lead us to an incredible reality in the coming decades.

But first, the company promises to store eggs and sperm in orbit and perform the first extraterrestrial artificial insemination.

The waters below Antarctica are amongst the most inhospitable environments on our planet, or so we thought.

NASA has already recorded bursts of radiation from the Sun that could kill a human, but that was in 1972 and would only hit astronauts in orbit.