These ancient structures still stand - but the people who built them remain a mystery that history can’t fully explain.

Deep-sea sediment layers show rare microbial wrinkle structures that formed in environments far beyond the reach of sunlight. Dr. Rowan Martindale, a paleoecologist and geobiologist at the University ...

Across India, ancient architecture continues to offer clues about early engineering, metallurgy, and scientific thought.

Neanderthals are Homo sapiens’s closest-known relative, and today we know we rubbed shoulders with them for thousands of years, up until the very end of their long reign some 40,000 years ago. Most ...

The Defense Advanced Research Projects Agency (DARPA) — which has been known to fund the development of sci-fi-sounding ideas like flying aircraft carriers or massive streetlights on the Moon — is now ...