Scientists have used a tiny plastic "obstacle course" to test how much sperm would struggle to navigate during sex in the weightlessness of space. Some particularly resilient sperm still made it ...

Researchers set up a tiny 'obstacle course' for the little swimmers to study the difficulties of procreating on spaceships or other planets Scientists have used a tiny plastic "obstacle course" to ...

Making babies in space may be more complicated than expected, as new research shows sperm struggle to navigate in microgravity. Scientists found that while sperm can still swim normally, they lose ...