More than 2,000 years ago, Greek artisans built a compact machine of interlocking gears that could track the heavens with a precision that still unsettles modern engineers. The corroded fragments of ...

It’s wild to think that a math puzzle from the 1200s is now helping power AI, encryption, and the digital world we live in. Every November 23, math lovers celebrate Fibonacci Day, a nod to the ...

Identifying signs of life in ancient rocks is hard. It is not enough to find organic molecules—rocks of all sorts contain them but “organic” just means the molecules contain chains of carbon atoms.