NASA's CHAPEA mission was a 378-day Mars simulation in a habitat in Houston. Scientists want to know what challenges astronauts will face on Mars, including extreme isolation. Crew member Ross ...

NASA has officially unveiled the four-person crew chosen for its second CHAPEA mission — short for Crew Health and Performance Exploration Analog — a 378-day simulation of a human mission to Mars.

Living and working on Mars won’t be easy, as this four-person crew recently learned, given the intense workload, extreme isolation, and cramped conditions they faced. Reading time 2 minutes A ...

Mars is blanketed by a thin, mostly carbon dioxide atmosphere — one that is far too thin to keep water from freezing or quickly evaporating. However, geological evidence has led scientists to conclude ...

A U.S. Air Force test pilot is one of four volunteers selected for a yearlong NASA Mars mission simulation. The crew will live for 378 days in a 1,700-square-foot, 3D-printed habitat at Johnson Space ...