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There are seven continents on Earth, or so we learned in school. But it turns out that these designations are not as straightforward as they seem, and different scientists have different views on how ...

The continent of North America is not a single, thick, rigid slab, but is instead more similar to a layer cake, with a section of 3-billion-year-old rock sitting atop much newer material, a new study ...

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 ...

Memorizing seven continents feels settled, like learning the alphabet. A new study argues the ground rules are less tidy.