Astonishing evidence for an ancient form of sophisticated machining into very hard stone can be seen on one of the artifacts ...

These videos explore compelling archaeological theories and mysteries surrounding ancient civilizations. They present evidence suggesting the use of advanced machining techniques in sites near Cusco, ...

Recently uncovered damage to walls in Pompeii displays patterns that may have been made by an ancient “machine gun” called a ...

For over a century, this hand-cranked bronze device from ancient Greece, the Antikythera, modeled the Sun, Moon and eclipses.