The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent is "dripping" rock into the lower layers of the Earth, new research says, and in ...

Researchers have discovered that the North American continent is slowly losing rock from its underside in a process called “cratonic dripping.” This is caused by the remnants of the Farallon ...

This collection of Funky Facts from Go Jetters focuses on North America ... Collect and show some images as a class that reveal some of the diversity of this continent from the frozen north ...