NASA is treating food as mission-critical hardware for Mars, designing future habitats where crops grow alongside life-support systems instead of arriving only in cargo holds. The agency’s long-term ...

The first crewed mission to Mars is still years away, but preparations have been underway for a long time. And part of getting ready means knowing what astronauts need to do to survive when they get ...

New research suggests Mars may have remained habitable much longer than scientists once thought. Ancient sand dunes in Gale Crater appear to have been soaked by underground water billions of years ago ...

The crew of a NASA mission to Mars emerged from their craft after a yearlong voyage that never left Earth. The four volunteer crew members spent more than 12 months inside NASA's first simulated Mars ...