Although many people are choosing to have children later in life, biological fertility limitations remain unchanged ...

New research has mapped the cell types that specialize to form reproductive organs in both sexes, identifying key genes and ...

Cutting off reproduction — from birth control to castration — consistently adds years to life across species, even humans.

Blocking reproduction through contraception or sterilization increases lifespan in both male and female mammals across more ...

Science writer David Berreby shares his personal journey with griefbots and discusses how they can offer unexpected comfort, insight and connection in the wake of loss.