In the July Scientific American science writer Erik Vance reports on recent finds that are transforming researchers’ understanding of this enigmatic place and the people who lived there.

Scientists with the Mexican government announced Wednesday the discovery of three new chambers at the end of a tunnel under the ancient city of Teotihuacan. The tunnel was discovered in 2003 ...

“So at this ancient city of Teotihuacan in particular, which is really one of the earliest urban cities in North America…” Andrew Somerville of the University of California San ...