There was a time when you could find spacecraft clean rooms in two sizes – – big and bigger. After all, these harsh-white, sterile environments have to handle very large spacecraft, support equipment, ...

Inside rooms designed to be among the most sterile places on Earth, scientists have just cataloged 26 forms of life that no one had ever seen before. The discovery inside NASA spacecraft facilities ...

To build a spacecraft, you need an extremely clean construction zone. That’s essential if you’re sending a robot to another world to search for signs of microscopic alien life. One wouldn’t want to ...