Imagine a future where a diagnosis of untreatable male infertility is no longer the end of the road—because science has found a way to produce human sperm from lab-engineered testicular tissue. This ...

In a quiet lab at Cornell University, scientists have made a discovery that could reshape how we think about life’s earliest stages. Researchers found that male and female embryos begin developing ...

The data didn’t make sense. Five years ago, University of Maryland researcher Alisa Morss Clyne was studying pulmonary hypertension – a type of high blood pressure that affects the arteries in the ...