Making babies beyond Earth? Spaceflight may not hinder sperm production, mouse study suggests As humans expand into space, how we'll continue to expand the species remains an important question. Astrobitica August 29, 2025 (Last updated: August 29, 2025) 1 minute read As humans expand into space, how we’ll continue to expand the species remains an important question. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: It’s not easy being green (-blooded). The latest ‘Strange New Worlds’ shows it’s harder than you’d think to play a VulcanNext: An economic strategy for American space supremacy