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 ...

Recent earth science developments suggest that how we count our planet’s largest land masses is less clear than we learned in school. By Matt Kaplan The world is split up into continents, there are ...

(CNN) — Imagine this: you pull your kids out of school for a year, stash your stuff in storage, rent out your house, put your career on pause and set out into the wide world, bound for all seven ...