Knowing which way is up helps sperm find their way to an egg, new research indicates, and they struggle without the guidance ...

Sperm may lose their ability to navigate in microgravity, raising new questions about whether human reproduction is possible in space.

A new experiment showed that humans may be able to reproduce in space, paving the way for self-sustaining colonies.

Collins Aerospace’s spacesuit design proved astronauts can move around with it in zero gravity. Collins Aerospace’s spacesuit design proved astronauts can move around with it in zero gravity. is a ...

Researchers say the findings highlight the need for further investigation as space agencies prepare for longer missions to ...

The world’s second-ever private astronaut mission to the International Space Station will not only ferry up the first Saudi Arabian woman to go to space but also a first-of-its-kind experiment that ...

Its members - Sean Gellenbeck, Sara Meschberger, Nathan Mogk, Kevin Newman and Kyle Stephens - will test a liquid lens in microgravity conditions. A simple example of a liquid lens is something often ...