Archeologists have discovered the ruins of an 800-year-old Aztec pyramid in the heart of the Mexican capital that could show the ancient city is at least a century older than previously thought.

History buffs can learn forgotten secrets of Aztec society in the new two-hour special Lost Pyramids of the Aztecs, premiering tonight, June 28, at 8 p.m. ET/PT on Science Channel. You can also stream ...

Mention an ancient city of pyramids shrouded in mystery, wild myths, and legends about its original inhabitants and builders, and most people will assume you are describing the iconic and mysterious ...