A new NASA-backed study has pinpointed why astronauts often experience constipation in space and how that might affect their ...

Spoiler alert: it has not always gone well in the past.

The curious minds at What If break down the complex engineering, gravity challenges, and unusual daily routines involved in ...

The first-ever toilet in deep space barely made it into orbit before NASA astronauts had to roll up their sleeves and make some repairs. There was no plumbing backup, of course — there is no actual ...