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Dynamical systems can be chaotic and impossible to predict, but mathematicians have discovered tools to help understand them.

The triangle angle sum theorem makes working with triangles easy. What happens when you can’t rely on it?

Infinite sums are among the most underrated yet powerful concepts in mathematics, capable of linking concepts across math’s vast web.

It’s simple enough for AI to seem to comprehend data, but devising a true test of a machine’s knowledge has proved difficult.

No matter how much we’d like to eradicate SARS-CoV-2, it may be better to settle for other forms of control.

The Chinese remainder theorem is an ancient and powerful extension of the simple math of least common multiples.

Today’s powerful but little-understood artificial intelligence breakthroughs echo past examples of unexpected scientific progress.

Solutions to the simplest polynomial equations — called “roots of unity” — have an elegant structure that mathematicians still use to study some of math’s greatest open questions.

The concept of dimension seems simple enough, but mathematicians struggled for centuries to precisely define and understand it.