A 2,000-year-old analog computer. Concrete that can heal itself. A device capable of detecting ...

Ancient texts reveal a pre-flood world of giants, advanced technology, and shared mythologies across cultures.

Rising abruptly from the lush, untamed jungles of southeastern Venezuela, Mount Roraima is a geological behemoth that defies logic. With its perfectly flat plateau and sheer, vertical cliffs plunging ...

Archaeologists have long known that complex societies can rise, flourish and then disappear so completely that only scattered ruins hint at what was lost. Now a new wave of research is sharpening the ...

For decades, mainstream society treated the idea of extraterrestrial life as fantasy, conspiracy, or science fiction.