More than 2,000 years ago, Greek artisans built a compact machine of interlocking gears that could track the heavens with a ...

When you're trying to fathom a mangled relic of very old hi-tech, it helps to have the manufacturer's instructions. For over a century since its discovery in an ancient shipwreck, the exact function ...

Translations, mostly by the editor, of writings of Thales, Plato, Aristotle, Ptolemy, Plutarch and others. "A large number of the passages were included in my sketch of the early history of Greek ...

Researchers in Peru uncovered an ancient structure older than the Chankillo Solar Observatory, reshaping views on early ...