It would be easy, therefore, to miss an industrial civilization that lasted only 100,000 years—which would be 500 times longer than our industrial civilization has made it so far.

Brannen isn't saying that dinosaurs definitely had a high-tech civilization like in that 1993 so-bad-it's-funny live-action "Super Mario Bros." film. But if they somehow did, we'd have no way of ...

THE title of this article is “The Meaning of Civilization,”but other questions have beentitle of this but article other is questions “The Meaning have been in my mind as I wrote it — such ...

However, during the early 1940′s archeologists uncovered a civilization known as the Olmecs of 1200 BC, which pre-dated any other advanced civilization in the Americas.

The Atlantic Age | Hour Five Episode 5 | 52m 11s Video has Closed Captions | CC Henry Louis Gates, Jr. explores the impact of the Atlantic trading world, giving rise to powerful new kingdoms, but ...