Uploaded April 2026 | Updated September 2026, 3 weeks ago
On Earth human sperm tend to know where to go when it comes to fertilizing an egg in utero. But that may not be the case in space. A new study suggests human sperm may struggle to navigate in microgravity—a finding that raises questions about humanity’s ability to reproduce in space.
📝: Jackie Flynn Mogensen
🎤🎞️: Carin Leong
Credit: NASA
Lyons, H.E., Nikitaras, V., Arman, B.M. et al. Simulated microgravity alters sperm navigation, fertilization and embryo development in mammals. Commun Biol 9, 401 (2026). doi.org/10.1038/s42003-026-09734-4
#artemis #moonbase #mars #science
On Earth human sperm tend to know where to go when it comes to fertilizing an egg in utero. But that may not be the case in space. A new study suggests human sperm may struggle to navigate in microgravity—a finding that raises questions about humanity’s ability to reproduce in space.
📝: Jackie Flynn Mogensen
🎤🎞️: Carin Leong
Credit: NASA
Lyons, H.E., Nikitaras, V., Arman, B.M. et al. Simulated microgravity alters sperm navigation, fertilization and embryo development in mammals. Commun Biol 9, 401 (2026). doi.org/10.1038/s42003-026-09734-4
#artemis #moonbase #mars #science
