The Ingenious Way the Ancient Egyptians Should Have Built the Pyramids

Thousands of years ago, a minority of ancient Egyptians set a majority to work building some of the oldest human-made structures in the world. It seems like we've been debating about how they did it ever since: Water? Animal labor? Magic? A team of researchers thinks they've found the best explanation yet. »8/27/14 3:47pm8/27/14 3:47pm

A Pyramid in the Middle of Nowhere Built To Track the End of the World

A huge pyramid in the middle of nowhere tracking the end of the world on radar. An abstract geometric shape beneath the sky without a human being in sight. It could be the opening scene of an apocalyptic science fiction film, but it's just the U.S. military going about its business, building vast and other-worldly… »4/13/14 2:00pm4/13/14 2:00pm