The CRISPR family’s most versatile member has made its medical debut: a cutting-edge gene-editing technique known as prime editing has been used to treat a person for the first time. The recipient is ...

Jason Mast is a general assignment reporter at STAT focused on the science behind new medicines and the systems and people that decide whether that science ever reaches patients. You can reach Jason ...

A graphic representation of a round, lumpy, blue protein and a single, comblike, purple strand of RNA interacting with a twisted, double, blue strand of DNA that separates where it meets the RNA. A ...