History loves a good mystery. And honestly, few things are more unsettling than an entire civilization, with millions of ...

Add Yahoo as a preferred source to see more of our stories on Google. One of history's biggest questions is: "How does an entire civilization disappear?" One can comprehend how an object or even a ...

INDIANA, USA — What a sight it must have been in ancient times to see a total solar or lunar eclipse. Over the centuries, astronomers were able to predict days of when eclipses would happen, and now ...

Long before the first stone of Giza was laid, the ancient Egyptians looked to the receding floodwaters of the Nile to explain the origins of the universe. It began with 'Nun'—a boundless, silent abyss ...

Roman, Egyptian, and Chinese civilizations had many different ingenious inventions. Chocolate was a big aphrodisiac for Mesoamerican civilizations and used for energy. The first earthquake detector is ...

Coupled with the design of the built environment, the natural topography of a city can further accentuate temperature differences from one neighborhood to another. Civilizations have recognized the ...