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New images caught something big moving under the waters of the lake.

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

A new theory points out that two of the largest stones of the megalithic structure would have been at the site millions of years before the arrival of humans.

For more than a century, scientists around the world have tried to explain the phenomenon of the red-colored waterfall in Antarctica.

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.

The Ksar Draa is a mysterious building lost in the dunes of the Sahara desert.

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

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