> FILE INDEX_

The Antediluvian Giants. An ancient clay tablet proves the Sumerians believed their first kings ruled for tens of thousands of years before a global cataclysm wiped them out.

The Sumerians knew exactly what the planets Uranus and Neptune looked like from space thousands of years before the telescope was invented.

Marine explorers found a massive, 200-foot-wide disc-shaped object sitting at the bottom of the Baltic Sea that instantly cuts off all electronic equipment whenever divers get close to it.

Despite having craters that span hundreds of miles wide, no crater on the Moon is deeper than about 2.5 to 3 miles. It behaves as if an unbreakable, armored inner layer prevents meteors from penetrating deeper.

Two prominent Soviet scientists published a formal paper arguing that the Moon is not a natural satellite, but a hollowed-out, armored artificial space station parked in Earth's orbit by an ancient, advanced intelligence.