According to records, Greek Fire was fire developed in 672, but the formula remained a closely guarded military secret.
Without our natural satellite, the planet's climate would be in chaos and life would disappear.
So far, no one can explain what these brands are and what their origins.
Abu Simbel Temple is illuminated by the sun for 20 minutes, presenting visitors with a rare phenomenon that only happens twice a year.
This is one of the oldest known records of a child born in ancient Sumer.
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.
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”.
The biohybrid robot is half electronic and half organic, and could be the first step towards something bigger.