It seems paradoxical: embryos formed in microgravity initially show increased vigor, but then encounter growth problems. This ...

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 ...

Floating in near-weightless conditions can be disorienting for even the most experienced astronauts. Male reproductive cells—sperm—also seem to get confused in simulated microgravity, which has ...

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

The researchers put samples through a simulation mimicking both the female reproductive system and the zero-gravity ...