Astronauts can get motion sick while splashing back down to Earth – virtual reality headsets could help them stay sharp

A woman with blond hair, a blue blouse and black gloves wears a boxy headset that has the red NASA logo on it.

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights.

When learning about the effects of spaceflight on human health, you typically will hear about the dangers of radiation, bone density loss and changes in eyesight. While these long-term risks are important, a less frequently discussed concern is motion sickness.