New study finds microgravity disrupts sperm and embryo development, raising concerns about human reproduction in space.

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.

As commercial spaceflight draws ever closer and time spent in space continues to extend, the question of reproductive health beyond the bounds of planet Earth is no longer theoretical but now ...

As a quartet of astronauts make their way to the far side of the Moon, far-fetched notions of human colonies on the satellite or even Mars - a three-year return trip - are again getting an airing.

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 ...