A young man became the first human to receive a transplant of his own frozen sperm-forming stem cells, aiming to reverse ...

The global birthrate has been in significant decline for decades. In the U.S., couples are deciding to have children later in ...

The biological research of UC Santa Cruz’s Needhi Bhalla to determine the molecular motions at the heart of heredity has ...

A 26-year-old American man has become the world’s first to receive a sperm-making stem cell transplant in a groundbreaking ...