A rare total lunar eclipse will be visible from most of the United States on March 3. Here's where and when to look.

A solar eclipse occurs when the moon is positioned between Earth and the sun and casts a shadow over Earth. Solar eclipses only occur during a new moon phase, usually about twice a year, when the moon ...

Convincing runners to add strength training to their schedules is no easy feat. But hear us out: Lifting weights can make you a better runner in a few different ways. You’ll run more efficiently, ...

It's time to crush your running goals—be it qualifying for the Boston Marathon or running for the very first time. To get started, choose your plan. When it opens in your browser, select the download ...