From circles to spacecraft: How pi powers science — and dessert

Trump asks allies to deploy warships as Iran vows to block oil flow

High School Sports

State A basketball: Updates, scores and highlights from Day 1 in Great Falls

Montana State Bobcats

Montana State thrower Sydney Brewster All-American at NCAA Indoor Championships

Simplemost

IRS change means many taxpayers must wait weeks for refunds

High School Sports

State AA updates: Eastern AA girls, Western AA boys put three teams into semis

National News

NASA's first crewed mission to the moon since Apollo targeted for April launch

High School Sports

State B basketball: Updates, scores and highlights from Day 1 in Bozeman

Trump: US strikes Iran’s Kharg Island, warns oil infrastructure could be next

High School Sports

State C: Scobey, Lustre Christian to meet for boys title; girls semis set