An annotated image of a cell dividing. The mutations of the unnamed woman affect the process that divides chromosomes between cells when they divide. The cells pictured here for illustrative purposes, ...

According to modern biology textbooks, a single genetic mutation is rarely enough to cause cancer. It is generally thought that cells must accumulate a series of mutations that work together to ...

A rare type of brain blood vessel malformation known as a cavernous angioma affects more than one million Americans and carries a lifetime risk of stroke and seizures. Only around one-third of cases ...

A single change in a key viral protein may have helped the coronavirus behind COVID-19 make the jump from animals to people, setting the virus on its way to becoming the scourge it is today. That ...

Omicron was named a "variant of concern" in part because of its peculiar set of mutations. It is not yet clear whether this variant spreads faster or causes more severe infections. Here are the ...