Far beneath the waves of the southwest Pacific, scientists have finished charting a landmass so large and so coherent that it ...

There is lot fuzz about the discovery of a slab of granite embedded into basaltic rocks of the oceanic crust - granite is a rock typical of continental crust (including island arcs), which prompted ...

A vast, mostly submerged landmass in the South Pacific, Zealandia, is now recognized as Earth's eighth continent. Recent mapping confirms its continental crust, scale, and ancient origins, challenging ...

Hämäläinen is Rhodes Professor of American History at Oxford University. His new book is Indigenous Continent: The Epic Contest for North America. He is also the author of The Comanche Empire, winner ...

Historians rethink North America before colonization, American racial divisions over two centuries and a Persian Empire under steady duress. By Thomas E. Ricks Some wars grind on for centuries, making ...