Scientists think they may have solved an old question about the cracking of knuckles: Why does it make that sound? The crack apparently comes from a bubble forming in the fluid within the joint when ...

In April, a group of scientists made a cracker of a claim: They finally figured out why knuckles crack. But any scientific finding requires confirmation, and now other researchers are on the case. A ...

Here at REAL SIMPLE, we want to know all of your hot takes. In the "Minor Issues, Major Opinions" column of REAL SIMPLE magazine, we pose a divisive question to our readers, then call on the experts ...

Good news: Scientists think they know what makes knuckles crack. How did we not know that already? It turns out the subject has actually been a topic of debate for more than half a century. In a study ...

Cracking your knuckles is an oddly divisive habit; it might make you cringe or it might bring you satisfaction. But what happens to your body when you do it?

The reason why knuckles pop or crack when stretched is largely a mystery, but a recent study claims it's because of popping fluid bubbles. When these bubbles collapse or even partially collapse in a ...

The noise of cracking or popping in our joints is caused by nitrogen which – in addition to oxygen and carbon dioxide – is a gas that flows throughout our bodies. Between the joints is connective ...