Weapons of the Gods: How Ancient Alien Civilizations Almost Destroyed the Earth

In 1945, the Japanese cities of Hiroshima and Nagasaki became the first and last victims of the atom bomb, the most destructive man-made force our planet has ever known.

Or were they just the latest in a long line of Armageddon-level events? Is it possible that our civilization is, in reality, just one of many? Did previous cultures blossom, develop, and thrive, only to destroy themselves, tens or hundreds of thousands of years ago, with the same atomic technology?

These are the controversial...