Builders knew how to keep people cool in hot, dry climates thousands of years ago. It's time to get that knowledge back.

Experts are carefully uncovering traces of the original paint and fragments of gold leaf that once adorned the 2,000-year-old ...

Ancient Greek temples positioned around the Agora were dedicated to patron gods like Athena for Athens and Zeus for Olympia.

Naval strength has long been a vital factor in global politics. Here are 10 ships that were involved in key moments in major ...