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 ...

What if human history is missing an entire chapter? Some researchers believe that around 9,500 BC, the Earth experienced a catastrophic event — possibly caused by a comet impact or dramatic climate ...

From above, the building appears as a big, well-defined triangle with nearly straight sides that form an almost perfect ...

Add Yahoo as a preferred source to see more of our stories on Google. Climate change is not just a modern dilemma; it’s a force that has reshaped the trajectory of human history time and again. From ...

Discover the latest news, features and articles about ancient China's rulers, philosophy, and the Great Wall of China.

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 ...

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 ...