When a virus enters a cell, its top priority is to replicate its genome rapidly, creating new viruses to infect elsewhere.

(Anatoli Myshlyaev/Moment/Getty Images) Smallpox is an age-old scourge with a terrible history. Caused by the variola virus, ...

Analysis of DNA from Chilean mummies has revealed the earliest known genome of the smallpox virus recovered from the Americas ...

Scientists recovered ancient smallpox DNA from two Indigenous mummies in Chile, providing the first genetic evidence that the ...

More than 400 years ago, two people living in modern day Chile died while infected with the smallpox virus. Viral DNA found in their mummified remains has now yielded genetic evidence of when the ...

Add Yahoo as a preferred source to see more of our stories on Google. Our DNA contains remnants of ancient viruses that embedded themselves into our genetic code. - TanyaJoy/iStockphoto/Getty Images ...

Scientists at the Peter MacCallum Cancer Center have uncovered new insights into how cells regulate DNA methylation, a ...

Scientists have successfully translated an entire viral genome into a format a quantum computer can process and analyze — the first time this has been accomplished at full-genome scale. The work, ...

Learn how centuries-old DNA linked an extinct virus to European colonization and its spread through an Indigenous community ...

What scientists once dismissed as junk DNA may actually be some of the most powerful code in our genome. A new international study reveals that ancient viral DNA buried in our genes plays an active ...

Viruses are entirely dependent on their hosts to reproduce. They ransack living cells for parts and energy and hijack the host's cellular machinery to make new copies of themselves. Herpes simplex ...