I Was A Science Professor Who Worked At NASA. I Feared My Secret Second Life Would Unravel It All.

I bent my knees, waved one arm and rocked my hips. The classroom erupted with delight. In that moment, I was free, my ...

This Is the No. 1 Exercise to Slim Your Waist, According to a Trainer

In TODAY.com's Expert Tip of the Day, a trainer reveals her favorite exercise for a more defined waistline and strong core ...