You might think that this is a simple enough question. There are seven continents, right? After all, this is what’s taught in the American public school system. Students in the United States learn ...

Geologists disagree on how many continents Earth has, with answers ranging from two to nine. Europe and Asia are visibly connected, as are the Americas, making their dividing lines cultural rather ...

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 ...