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An impressive report of an encounter with a Giant coming out of the waters of the São Francisco River.

A mysterious orange light show prompted an astronaut aboard the International Space Station to take a photo and share it with Earthlings.

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”.

A comet recorded by the Aztecs appears to have foreshadowed the arrival of the Spanish conquerors.

They are often portrayed on screen as little green men with elongated arms and legs and big eyes, but a renowned evolutionary biologist argues that extraterrestrials could be very similar to humans.

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

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

For the first time in 2,000 years, tourists will have access to the ancient city of Hegra in Saudi Arabia.