A simple-looking math problem has confused people for years. Here's the answer and the reasoning behind it—that settles the ...

Every year, thousands of college students from across the U.S. and Canada give up a full Saturday before finals begin to take a notoriously difficult, 6-hour math test — and not for a grade, but for ...

The second batch of “First Proof” problems is meant to evaluate AI’s usefulness for research-level math. The best model got ...

I recently had a fascinating discussion with an 11-year-old member of a group receiving prizes for excelling in math tests offered by state and national testing bodies. The youngest of a large number ...