Humans living in space for months, years, or even generations will need to navigate sex in a zero-gravity world.

In October of last year, Jeff Bezos told a crowd in a sizable conference room in Turin that millions of people would live in space in a few decades. Not as a ...

Ducks with corkscrew penises, fish changing sex – what do we really know about sex and reproduction on Earth? Less than we think, reveals a mind-boggling new book. Elle Hunt explores ...

In the quest to create better options for couples facing infertility, scientists have been racing to create eggs and sperm in a laboratory dish. A study published Tuesday in Nature Communications from ...