Get started solving the classic number puzzle with tips from some of the best solvers in the world. By Isaac Aronow Everybody can solve a hard Sudoku. Maybe not right now, maybe not without some ...

Math teachers have stymied students for hundreds of years by sticking goats in strangely shaped fields. Learn why one grazing goat problem has stumped mathematicians for more than a century. If you’ve ...

Mathematicians are “reinventing the wheel” by giving it a new shape. Their newly imagined wheel looks like a many-dimensional guitar pick, and it could theoretically roll in ways beyond our ...