Crew members of NASA's earthbound simulated Mars habitat emerge after a year
![Crew members of NASA's earthbound simulated Mars habitat emerge after a year](https://bloximages.chicago2.vip.townnews.com/gazettetimes.com/content/tncms/assets/v3/editorial/7/cf/7cf24c7c-2afd-528d-bf31-335b20c2f07b/668b08ee190a6.image.jpg?resize=300%2C177)
Four volunteer crew members who spent more than 12 months inside NASA’s first simulated Mars environment at Johnson Space Center in Houston have emerged from the artificial alien environment.