Scientists have discovered a defensive method of cells that resembles Spiderman shooting his web to ensnare enemies. These ...

A stretch of DNA in the mouse genome left by ancient viral infections is crucial for early development in the womb, new research shows. According to the study, published in December in the journal ...

Add Yahoo as a preferred source to see more of our stories on Google. Our DNA contains remnants of ancient viruses that embedded themselves into our genetic code. - TanyaJoy/iStockphoto/Getty Images ...

We all have one: a junk drawer that we stuff full of all our random - and often useless - items that we can't throw away. However, once in a while, there's something in that drawer that ends up being ...

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 ...