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

Add Yahoo as a preferred source to see more of our stories on Google. The pyramids in and around Giza have presented a fascinating puzzle for millennia. How did ancient Egyptians move limestone blocks ...

History is rather dull and unexciting to most people, which naturally invites exciting flights of fancy that can range from the innocent to outright conspiracies. Nobody truly believes that the ...

The Great Pyramid of Giza, completed around 2560 BCE, stood as the tallest structure built by humans for nearly 3,800 years.

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

As one of the most famous Ancient Egyptian pyramids, the Pyramid of Khafre on the plateau of Giza has been a true wonder of the Ancient World ever since its construction around 2570 BCE. Today, well ...

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

The pyramids in and around Giza have presented a fascinating puzzle for millennia. How did ancient Egyptians move limestone blocks, some weighing more than a ton, without using wheels? Why were these ...