Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Asking students to explain how they arrived at an answer is a powerful strategy for making a concept more memorable.

In a notable revision for the academic year, the National Council of Educational Research and Training (NCERT) has introduced ...

Beyond their massive size, the Pyramids of Giza reveal astonishing precision—ratios and alignments that continue to puzzle mathematicians and historians alike.