Scientist Kirk Johnson, who grew up in the Seattle area, is the host of Nova’s “Making North America,” a three-part series that debuts Nov. 4 on PBS stations nationwide. Credit: PBS. There is no such ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.

Growing up, most of us learned that Earth is home to seven continents. But it may be time to rewrite the geography textbooks, as a controversial study now claims there are actually only six continents ...

The world has seen great change since the end of the Cold War. For much of the past two millennia, political, military, and economic strength has been based in Eurasia. And, since the 1500s, mostly in ...