The Kakeya conjecture predicts how much room you need to point a line in every direction. In one number system after another — with one important exception — mathematicians have been proving it true.

If you're headed to the airport soon, you might want to double-check your identification. Starting May 7, 2025, every resident (18 years or older) of a U.S. state or territory attempting to board a ...

Many complicated advances in research mathematics are spurred by a desire to understand some of the simplest questions about numbers. How are prime numbers distributed in the integers? Are there ...