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.

Floating in near-weightless conditions can be disorienting for even the most experienced astronauts. Male reproductive ...

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

A Chinese scientist horrified the world in 2018 when he revealed he had secretly engineered the birth of the world's first gene-edited babies. His work was reviled as reckless and unethical because, ...

Megan Molteni reports on discoveries from the frontiers of genomic medicine, neuroscience, and reproductive tech. She joined STAT in 2021 after covering health and science at WIRED. You can reach ...

If we want to colonize space, we need to figure out the whole reproduction thing. An experimental injection could restore the youthfulness of eggs taken from older women. New research shows it's ...

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