Ancient viruses left a legacy in your DNA. And it turns out, that legacy may be helping shape who you are. A recent international study has shown that certain bits of ancient viral DNA, long dismissed ...

Around 45 percent of human DNA is made up of transposable elements, or TEs—genetic leftovers from now-extinct viruses that scientists once believed to be “junk DNA.” But that view is changing, and a ...

The human genome is made up of 23 pairs of chromosomes, the biological blueprints that make humans … well, human. But it turns out that some of our DNA — about 8% — are the remnants of ancient viruses ...

DNA that humans acquired from ancient viruses plays a key role in switching parts of our genetic code on and off, a new study has found. Nearly half of the human genome consists of segments called ...