A new study found that microgravity simulated on Earth hindered sperm cell movement, egg fertilization and embryo development.

Having a baby in space may require a bit more direction, with new Adelaide University research revealing the navigational ...

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

A new study suggests humans face barriers to reproducing in space, with microgravity disrupting sperm movement.

As the United States announced plans to build a residential base on the Moon within 10 years, a study has emerged suggesting that it may be difficult for humanity to settle in space across generations ...

Some newly reported clumps of cells growing in lab dishes have been hailed as the closest things to human embryos that scientists have ever made in the lab. These entities are human embryo models — ...