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

The bat-and-ball problem is a famous math puzzle that more than half of people—even Harvard graduates—get wrong. It's ...

An apparently easy-looking math problem has left internet users scratching their heads. The elementary-grade problem looks simple enough to solve in seconds, but has tripped up the masses. The basic ...

Add Yahoo as a preferred source to see more of our stories on Google. In 1993, Hungarian mathematician Paul Erdős—one of the most prolific mathematicians of the 20th century—posed a question with two ...

The internet is often a place where you’ll find a lot of debate, and today, people are arguing over what the right answer to a time-based math question is. An account on Twitter with the username ...

We've all been there: staring at a math test with a problem that seems impossible to solve. What if finding the solution to a problem took almost a century? For mathematicians who dabble in Ramsey ...

The result is correct but challenges core norms of mathematics: checking proofs, crediting ideas and keeping research open to everyone.

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...