All of modern mathematics is built on the foundation of set theory, the study of how to organize abstract collections of objects. But in general, research mathematicians don’t need to think about it ...

Meghan Markle went barefaced as she posed on the cover of Harper's Bazaar. The Duchess of Sussex, 44, appeared on the front of the magazine's December 2025/January 2026 edition, which was labeled as ...

What separates the world’s Top 100 courses from the tens of thousands of others? We leave that up to our international panel of 126 expert raters to decide. And because we don’t prescribe a set method ...

My students’ easy access to chatbots forced me to make humanities instruction even more human. Credit...Animation By Sean Dong Supported by By Carlo Rotella Carlo Rotella is the author of “What Can I ...

From Caesar to Napoleon, the Pyramids to the Parthenon, the Trojan War to the Civil War—National Geographic History magazine draws readers in with more than 5,000 years of people, places, and things ...