More research shows that your ability to balance on one leg can reveal how well you’re aging. Discover the fascinating science for why, and what you can do to improve.

In the meantime, how much do you know about mammoths? Find out by taking this quiz. Voyager 2 is the only craft to visit ...

A bladder ultrasound gives providers clues about how the bladder expands and holds urine. This article lists conditions ...