Geological mystery: Scientists search for a missing chapter of earth’s history
The phenomenon of the "Great Dissonance", where about a billion years are missing from the Earth's rocks, may finally be explained by the formation of the ancient supercontinent Columbia
Erich von Däniken, Swiss bestselling author who linked ancient civilizations to extraterrestrials, dies at 90
The Swiss author whose bestselling books on the extraterrestrial origins of ancient civilizations brought him international fame
Who were the predators on Earth before the dinosaurs
From saber-toothed synapsids to global collapse, the forgotten predators of the Permian ruled a world on the brink of extinction