Ophelia Bauckholt was killed in a shootout with U.S. Border Patrol agents in northern Vermont — an unlikely end to a life ...

Mathematical equations have shaped our understanding of the universe, and these nine have played a key role in changing the world.

Starting lessons with a read-aloud can boost engagement and inspire students to make personal connections to math concepts.

Nick Heining sat at a table, punching numbers into his smartphone’s calculator app and writing them into a budget worksheet he had placed on a clipboard in front of him. Receipts from a ...