The ISS is crawling with nasty bacteria
Cramped spaces are a breeding ground for germs, claim NASA scientists.
ISS toilet leak dumps two gallons of 'water' on crew
All hands on the poop deck.
NASA contest finalists show off their Mars habitat models
They'll now have to build a one-third-scale version of their designs.
Bigelow forms command center for its expandable space stations
Bigelow Space Operations will provide customer service for the company's expandable habitats.
NASA backs deep space habitat made with old ISS cargo module
The prototype will be built in a facility at NASA Kennedy Space Center.
NASA will build full-scale deep space habitats on Earth
The agency is preparing for missions farther and longer that it's used to.