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 ...

Do you crack your knuckles? For decades, warnings about possible harm have caused concern about the habit — here is what the ...

Nearly all of us have experienced our joints ‘pop’ at some point in our lives. Whether it was from cracking our knuckles, getting adjusted by a chiropractor, or the inadvertent sound that sometimes ...

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 ...