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Experts discovered that the Incas were capable of performing sophisticated cranial surgeries.

The earliest known astronomical observatory in the Americas was built by an unknown culture, long before the Incas rose to power in Peru and began to celebrate their Sun God.

The document was written by a witness at the time and explains how the immense granite blocks arrived at the monument.

Archaeologists from Turkey discovered the ruins of a castle belonging to the Urartu civilization during underwater excavations in Lake Van.

Google Mars enables interactive virtual exploration of different regions of the Red Planet.

Astronomers have discovered that invisible structures generated by gravitational interactions in the Solar System have created a "Space Superhighway" network.

The cave painting is considered to be the world's oldest record of two people kissing.

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.