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

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

For Jill Tarter, who participates in the project to search for intelligent life beyond Earth, contact with alien civilizations is just a matter of time.

For decades, the mystery of the "Sailing Stones" has left many scientists puzzled and unanswered.

American scientists have discovered that the farther the Moon is from Earth, the longer a day lasts.

Most astronomers believe that if a human were to fall into a black hole, they would be sucked in by gravity and destroyed, but a new study suggests that if someone went through this experience, they could survive and erase their past.

St. George's Church is one of eleven monolithic churches carved directly into the rock in Lalibela, Ethiopia.

Scientists have come up with 12 hypotheses why we haven't detected signs of alien civilizations yet.