The story of life’s beginnings gets stranger when you look closely at viruses. These tiny entities seem to sit at the edge of biology.

A new University of California San Diego study published in Cell challenges a long-standing assumption about how animal ...

Contrary to prevailing belief, an evolutionary analysis finds no evidence that most viruses with epidemic or pandemic potential that jumped from animals to people were shaped by selection in a lab or ...

A giant DNA virus pulled from a Japanese freshwater pond is forcing scientists to rethink how complex cells first acquired their defining feature: the nucleus. Named ushikuvirus, the newly ...

Add Yahoo as a preferred source to see more of our stories on Google. Workers who are in frequent contact with potentially sick animals are at high risk of bird flu infection. Costfoto/NurPhoto via ...

Dealing with a COVID-19 infection is an unpleasant experience. Persistent cough, debilitating headaches, and an overwhelming lack of energy take its toll on the body after the usual couple weeks of ...

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 ...

The World Health Organization (WHO) today announced recommendations for the viral composition of influenza (or "flu") vaccines for the 2026-2027 northern hemisphere influenza season. The announcement ...