It's the 18th hole and the game's on the line. You line up your putt, take a breath, and roll the ball toward the hole. The ...

Physics can feel inscrutable to students; this lesson helps them understand a graphing problem by analyzing their own ...

Gaia’s full-sky survey generated a massive database tracking how asteroids reflect light as they rotate. These measurements, called light curves, reveal changes in brightness over time. When ...