Tensions on Earth and Mars come to a head.

Things start to go awry just as an important mission approaches a critical juncture.

An accident on Mars strains relationships, while Miles embarks on a risky venture.

A discovery sends teams across Earth and Mars scrambling for answers.

Unlikely partnerships are formed at a high-stakes international conference.

A group on Mars takes drastic measures. Margo grapples with a new assignment.

Plans are made with interplanetary ramifications. Ed begins working with an unexpected partner.

New Helios employees arrive on Mars as NASA undergoes major changes.

Miles tries to make ends meet. Margo finds herself pulled into a dangerous situation.

Bishop enlists the help of another chapter in his move against Ramos.

As Pops and Ruby prepare to move away, Dre and Bow consider if they should make a big life change as well. Grappling with this idea at work, Dre receives…