A study published in Nature Medicine found that monkeypox viruses from the current outbreak have on average 50 differences in their DNA compared to the versions from about four years earlier. That’s ...

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 ...

Viruses acquire genes from eukaryotes — organisms whose cells store their DNA in a nucleus — and use them for their own function. Conversely, eukaryotes acquire genes from viruses to bring new ...