Math

A mathematician may have solved a 250-year-old question about whether every polygon contains a path home

There’s a $1-million prize for proving the Riemann hypothesis. Claude couldn’t pull that off, but it made significant progress on a related problem

Mathematician Yang-Hui He explains why artificial intelligence is fundamentally transforming mathematical work—and why that’s a good thing

A puzzle about dots on a page led to one of the most profound areas of modern math

Folding a piece of paper makes it thicker. How many folds would it take to reach the moon—and beyond?

OpenAI released 10 AI-generated results over the weekend. Some mathematicians are unhappy with their approach

A solution to part of the Cohen-Lenstra conjecture helps resolve a long-standing mystery about quadratic forms

Wormholes are one way that physicists have imagined traveling into the past. But if something gets there, is it physically possible to change anything?

Physicists, mathematicians and philosophers have been exploring the possibility of going forward to the future or back to the past

When the roads get crowded, many drivers start changing lanes. Mathematics suggests this intuition is typically wrong

Joan Birman popularized the Burau representation problem decades ago. Now she and two colleagues have a proof that reveals brand new insights into the geometry of braids

The 2026 Fields Medals recognize breakthroughs in the math of messy fluids, tangled knots, spinning pencils, and more