Ninety years ago today (Feb. 18), astronomer Clyde Tombaugh gathered the data that proved the existence of what would eventually be dubbed Pluto — but it wouldn't have been possible, astronomers have ...

Elections are all about numbers, sometimes hinging on miniscule percentage-point differences in turnouts. Math teacher Alison Strole’s middle school students know this better than your average ...

Mathematicians love a good puzzle. Even something as abstract as multiplying matrices (two-dimensional tables of numbers) can feel like a game when you try to find the most efficient way to do it.