NASA has offered a sneak peek inside its Mars simulation habitat where four volunteers have now spent 150 days isolated from the outside world. By living within the confines of the 1,700-square-foot Mars Dune Alpha habitat at the Johnson Space Center in Houston, Ross Elder, Ellen Ellis, Matthew Montgomery, and James Spicer are helping NASA […] The post Peek inside NASA’s Mars habitat where humans train for life on the red planet appeared first on Digital Trends .