When DNA breaks, cells must repair it accurately to prevent harmful mutations. Researchers have discovered that during a key repair process called homologous recombination, the cell uses loops in its ...

In the last decade, the drive to understand who we are and where we've come from has been accelerated by DNA testing. So far, around 40 million people worldwide have used direct-to-consumer genetic ...

The DNA packed inside every human cell contains instructions for life, written in billions of letters of genetic code. Every time a cell divides, the complete code, divided among 46 chromosomes, must ...