A study in China covering 42,703 families affected by rare diseases across 32 provincial regions of China has established a ...

Colin Farrell opened up to PEOPLE about his son James, who was diagnosed with Angelman syndrome. Here’s what to know about the rare neurogenetic disorder that affects 1 in 15,000 people.

Unlike adults, children's genetic mutations are rarely caused by lifelong exposures to carcinogens. Tests designed to detect common lung cancer mutations, for instance, are rarely useful in kids.

The once-hot Silicon Valley startup has seen its stock’s value decline 99% and is struggling to survive. That has put the spotlight on the genetic data it has on 15 million people.

Authorities used forensic genetic genealogy, an increasingly common yet scantly regulated investigative technique, to find a suspect in Rachel Morin’s homicide.