The Martian crew debates how to save the life of one of their own.

A surprise maneuver during the journey to Mars provokes desperate measures.

Nearly 10 years have passed. Danielle and Ed attend a celebration, where things take a terrifying turn.

A commercial spaceflight company makes an announcement. The choice over who’ll command the Mars mission leads to a shift in personnel.

The race to land first on Mars brings together unexpected allies.

Plans to leave Mars are complicated by an unforeseen issue.

As NASA scrambles to prepare for the launch to Mars, Margo is confronted with a harsh personal reality.

After a sudden crisis, the Martian crews pull together.

A joint mission brings about conflict between crew members.

The astronauts move quickly to build Martian bases.