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 ...

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

Our cells are constantly being pushed, stretched, and compressed without our awareness: a play of invisible forces that ...

Researchers constructed a labyrinth at Adelaide University. It's not big; rather, it's made to fit under a microscope, with ...

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

Researchers should urgently think about how humans can reproduce in space, experts have said. As humanity looks towards living beyond Earth, we need to understand how human reproduction will actually ...

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The study suggests that embryo development, one of the most delicate biological stages, may be disrupted when gravity is ...