Dhaka, Oct. 20 -- Four volunteers have completed 365 days in isolation inside a simulated Mars habitat in Houston, as NASA studies how humans can survive and work during long-duration missions far from Earth.

The crew members of NASA's Crew Health and Performance Exploration Analog (CHAPEA) Mission 2 have spent the past year inside a 1,700-square-foot, 3D-printed habitat at the agency's Johnson Space Center in Texas's Houston, India Today reported.

Their 378-day mission is designed to replicate the challenges of living and working on Mars without leaving Earth.

The volunteers entered the habitat on Oct 19, 2025, and are scheduled to emerge on Oct 31.

The crew comprises Ross Elder, the mission commander; Ellen Ellis, the medical office...