New research reveals how the invention of a crucial Ice Age technology helped humans defend against extreme cold during ...

India s contributions to science, mathematics, medicine, and philosophy date back thousands of years. Long before the rise of modern technologies, ancient Indian thinkers, scientists, and scholars had ...

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 ...

Scientists have discovered a new species of chiton, an ancient marine mollusk that has remained virtually unchanged for 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.