Disregard what you learned in geography class—Earth may not have seven continents after all. From the earliest of grades, schoolchildren around the world have memorized the same lineup: Africa, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO — Since 2012, Lorna Tan has run ...

Ellen Hunter Gans and Sarah Hunter began the Great World Race with a marathon on Wolf's Fang runway, in Antarctica. The race started a day early due to an incoming storm. Over the next week, they and ...