The Three Gorges Dam was built on the Yangtze River and is known as the most powerful dam by hydroelectric capacity to date.

We peel back the layers of the great church of Hagia Sophia in Istanbul to reveal its incredible engineering secrets, and vividly bring to life the astonishing story of its construction. We peel back ...

This program brings to life the ingenious engineering solutions and treacherous political betrayals that gave birth to what is arguably the most perfect example of Moorish architecture in existence - ...

A story that went viral this week reports that astronomers finally found E.T., but those aren't the facts. CNET's Eric Mack talks with the astronomers involved about what is still a very interesting ...