Health authorities are racing to contain a deadly outbreak of Nipah virus that has already put thousands of people into quarantine and revived memories of the early Covid years. Governments are ...

Planet Earth—a mere speck in our universe—is home to more viruses than there are stars in the cosmos. They exist at life's outer limit, performing a delicate dance that has lasted eons but can turn in ...

Almost five years after the COVID-19 pandemic began, its central question remains subject to heated debate: Did the SARS-CoV-2 virus originate naturally, or was it leaked from a scientific lab ...

Most pandemic viruses that have jumped from animals to humans do not show signs of special adaptations to infect people, except the 1977 influenza outbreak, which was likely “sparked by a laboratory ...

A new University of California San Diego study published in Cell challenges a long-standing assumption about how animal viruses become capable of sparking human epidemics and pandemics. Using a ...