Which is why more guys are going under the Q-tip. In 2000, the first year Y-DNA testing was available from Family Tree DNA, the company analyzed 1,500 samples; in 2014, it processed more than 50,000.

If you're looking to uncover family history or learn more about your health, here's how to decide which DNA testing kit is best for you.

So, what types of DNA tests are available to help families locate lost loved ones? There are three ways to look for DNA matches with autosomal, Y-DNA and mitochondrial tests.

As DNA testing becomes more common, more and more of us are spitting saliva. But what exactly is a DNA test? How does it work? What are the implications? We try to answer these questions here.

DNA test kits like AncestryDNA® and 23andMe have different capabilities in terms of the information they can extract. Our guide helps you figure out which kit will suit you best.

Scientists are trying to sequence the DNA of Leonardo da Vinci to identify if the remains at his interment site really are ...