The hollow Earth theory suggests vast subterranean worlds with their own sun, atmosphere, and possibly superhuman ...

Missouri State University archaeologists Daniel Pierce and Christopher Bodine are heading to Brazil to study ancient Amazonian geoglyphs that may reveal an unknown civilization.

Navigating the labyrinth of conspiracy theories is like wandering through a hall of mirrors—distorted reflections of reality vary widely in their plausibility and strangeness. Some theories entertain ...

Explorations of a submerged passage in the Tlayococ cave in Mexico led to an undiscovered room. Within the room, cave explorers discovered bracelets sitting atop stalagmites and other artifacts from a ...

The National Institute of Anthropology and History in Mexico organizes monthly tours to share the country's rich cultural heritage.