For decades, the dream of fixing harmful mutations in mitochondrial DNA felt out of reach. Scientists have long known these ...

A pioneering reproductive technology reduced the risk of children inheriting disease-causing mutations in mitochondria, researchers reported.

Olivia had been showing symptoms since she was just 7 months old — including a belly that remained swollen, hard to the touch ...

Suddenly feeling old? Evidence now suggests that rather than a long, steady decline, we dramatically age around three ...

Investors say genetic prediction services for embryos, used by Elon Musk and others, are a trust fund for future children.

After an abnormal NIPT finding in a pregnant woman, a maternal-fetal medicine doctor orders a second NIPT, against ...

Fragile X disorders include two distinct conditions: fragile X syndrome (the most common single-gene cause of developmental delay and autism) and an entirely separate group of premutation syndromes.

Longtime cheerleader with Down syndrome sets sights on joining college team Hannah Mares has led cheers for 6 years and now could make history.