The original USDA food pyramid from the 1990s looks a little bit different than it does today. Here's exactly how it's changed over the years.

Differences in how the pyramid and surrounding soil vibrate, along with design choices, have protected the structure from earthquakes.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: How the Great Pyramid was built ...

The Great Pyramid of Giza in Egypt has survived more than 4,500 years. Earthquakes have repeatedly shaken the region, including the magnitude 5.8 Cairo earthquake in 1992, which dislodged some of the ...

The ancient pyramids at Giza in Egypt are some of the most recognizable architectural feats in the world. The Great Pyramid itself was completed 4,600–4,450 years ago, yet remains largely intact ...

A new study measuring vibration frequencies throughout the Great Pyramid revealed how it has been able to withstand severe seismic shocks.

The Great Pyramid of Khufu was completed between approximately 4,600 and 4,450 years ago. Since then, the 450-foot-tall (138-meter) structure has endured numerous earthquakes without suffering any ...