Knowing how viruses change in the initial weeks of an infection can provide important information about their adaptability.

Knowing how human DNA changes over generations is essential to estimating genetic disease risks and understanding how we evolved. But some of the most changeable regions of our DNA have been ...

The idea of a once-mild virus might mutate into a deadly pathogen is a staple of science fiction, and a common fear since the dawn of the pandemic. Many of the SARS-CoV-2 virus’ relatives, genetically ...

Scientists show that in bacteria the rate of beneficial mutations -- those that increase the capacity of an organism to survive in a particular environment -- is much higher than previously thought.

As the U.S. faces down the COVID-19 Delta variant – now fast-becoming the nation's dominant strain – reports of a new Lambda variant that first emerged in Peru in August 2020 are gaining the attention ...

When cells become cancerous, they also become 100 times more likely to genetically mutate than regular cells, researchers have found. The findings may explain why cells in a tumor have so many genetic ...

(CBS4) - A new COVID-19 variant -- omicron -- has some experts worried it could be more transmissible and more resistant to vaccines than previous variants of the virus. So just how did the virus get ...