In a way, sequencing DNA is very simple: There's a molecule, you look at it, and you write down what you find. You'd think it would be easy—and, for any one letter in the sequence, it is. The problem ...

Fingerprinting transformed police investigations by making it possible to place a suspect at a crime scene with physical ...

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 ...

A routine experiment with a new single-cell DNA sequencing method turned into a surprising scientific twist when researchers ...