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 ancient tectonic plate, which is influencing the mantle ...

Around a billion years ago, a geological event occurred in North America that could have completely changed the continent as people know it. This event could have split the North American continent in two, but for some reason, it suddenly stopped ...