Scientists have found evidence that a distant planet in the Solar System may actually exist.
A helicopter pilot flying over central Australia spotted a giant hunter drawn on the surface of the desert.
The Sumerians would have been the first humans to travel into space 7,000 years ago.
The idea that the Pyramids and Sphinx were submerged under a large amount of water has troubled experts who have disputed the possibility for decades.
One of the most fascinating Sumerian clay tablets is known as The Sumerian King List, which names the kings who ruled from the time of creation until the flood.