Add Yahoo as a preferred source to see more of our stories on Google. Sperm may be negatively affected by a lack of gravity, a new study shows. (Sperm and Embryo Biology Laboratory, Adelaide ...

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

Jeffrey Richards, a payload research and science coordinator on the LASSO contract at NASA’s Kennedy Space Center in Florida, prepares an experiment for a test in an Airbus Random Positioning Machine ...

Under microgravity conditions, the sperm saw 'impaired directional navigation' - in other words, they got lost - more often than under typical gravity conditions on Earth.

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 ...