Viruses that infect bacteria can still do their job in microgravity, but space changes the rules of the fight.

Ushikuvirus is a newly identified giant virus that infects amoebas, adding to a growing group of oversized viruses that scientists believe may have played an important role in the emergence of complex ...

Workers who are in frequent contact with potentially sick animals are at high risk of bird flu infection. Costfoto/NurPhoto via Getty Images Disease forecasts are like weather forecasts: We cannot ...

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 ...