Tensions on Earth and Mars come to a head.
Things start to go awry just as an important mission approaches a critical juncture.
Plans are made with interplanetary ramifications. Ed begins working with an unexpected partner.
A group on Mars takes drastic measures. Margo grapples with a new assignment.
Unlikely partnerships are formed at a high-stakes international conference.
A discovery sends teams across Earth and Mars scrambling for answers.
An accident on Mars strains relationships, while Miles embarks on a risky venture.
Miles tries to make ends meet. Margo finds herself pulled into a dangerous situation.
New Helios employees arrive on Mars as NASA undergoes major changes.
Eight years later, a new mission begins: Capture an asteroid. Aleida and Danielle are still haunted by events from the past.
