If you’ve ever watched an NFL or college football game, then you know by the end of four quarters, you’ve got at least one of ...

States are handing multimillion-dollar contracts to a handful of fledgling private companies to manage the rapidly growing, ...

Scientists have found a new way to turn waste like plastic, paper, and food scraps into useful fuel. This breakthrough could ...

President Donald Trump said he will enact comprehensive tariffs on Mexico and Canada on Feb. 1. Here's what Arizonans will ...