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 Plate, an ...

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 ...

Already when the first maps of the American continents were published (1507 and after), the similitude between the western coast of Africa and the eastern coast of South America intrigued geographers ...