Volunteers who lived in a NASA-created Mars replica for over a year have emerged
![In this image made from video provided by NASA, CHAPEA commander Kelly Haston speaks in front of other crew members at Johnson Space Center in Houston, Texas, on Saturday.](https://npr.brightspotcdn.com/dims3/default/strip/false/crop/2000x1125+0+0/resize/2000x1125!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F1d%2F62%2F47d6ae75479382ee06cef512767d%2Fap24189376579185.jpg)
The four crew members entered the 3D-printed Mars replica on June 25, 2023, as part of a NASA experiment to observe how humans would fare living on the Red Planet.
(Image credit: AP)
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