Bits of viral genes incorporated into human DNA have been linked to cancer, ALS and schizophrenia. But many of these genes may not be harmful, and could even protect against infectious disease.

Researchers have discovered a virus that could enter human cells in a similar way to COVID-19. But they caution it's much ...

A newly discovered bat coronavirus uses the same cell-surface protein to gain entry into human cells as the SARS-CoV-2 virus ...

Perhaps you’d also like to believe that humans are more complex than a worm that is used precisely for its simplicity. For ...

CNN By Christopher Lamb, Antonia Mortensen and Sharon Braithwaite, CNN (CNN) — Pope Francis, who has been hospitalized since ...

Pope Francis, 88, was hospitalized last Friday with bronchitis, the Vatican said, and now has a “polymicrobial infection of ...

Pope Francis, who is spending his fifth day in hospital, will not take part in this weekend's Holy Year events, the Vatican ...