In the early 1950s, Marie Tharp began connecting dots to map the ocean floor, using sonar technology. Sonar detects underwater objects by timing the echo of a soundwave and was originally developed to ...

A new Arizona law requires public schools in the state to enforce stricter phone-use policies and limit student access to the internet and social media starting beginning this school year. Gov. Kate ...

Whether you're looking for a casual place to dine before the game, an exclusive spot to mingle during the game or a place to meet after the game, Chase Field has a wide variety of restaurants and ...