International borders have changed dramatically over the centuries. In some cases entire countries have been erased from the ...

When Mexico's new president, Claudia Sheinbaum, chose not to invite King Felipe VI to her inauguration, Spain could have ...

From financing expeditions in the New World to founding hospitals and schools, these women were incredibly influential—and ...

From Christopher Columbus to Marco Polo, these celebrated—and controversial—explorers made groundbreaking journeys across the ...