Returning a friend's call about homework, the astronauts' son tears into an '80s blockbuster he's ju...

The trailblazing astronaut leaves a passionate and alcohol-enhanced message for Pam.

What begins as administrator Paine's rant to his wife about their homeowner's association gradually...

Ed and Karen's adopted daughter shares massive personal news - and a secret plan - with her friend D...

The woman who met Ed at the bar shares her side of the story with a friend - and asks for a favor.

NASA is in crisis as the Soviets land the first man on the moon in 1969, the beginning of an alterna...

Director von Braun opposes President Nixon's directive, with dire consequences.

Deke must recruit female astronauts after Russia lands a woman on the moon.

A training accident spurs a national debate about women astronauts.

Ed and the crew change Apollo 15's landing site after lunar ice is detected.

A launchpad accident leads to delayed missions and FBI background checks.

Ed, Gordo, and Danielle struggle with an extended Jamestown mission.

NASA preps a Jamestown relief mission, while Karen waits for news at the hospital.

A crisis in space puts the Apollo 24 and 25 crews in peril.

Ed handles a trespasser. Ellen and Deke chart a new course without Mission Control.

Nearly a decade later, technology and lunar exploration have taken huge strides—but a solar storm th...

Margo must lead a seemingly impossible mission. Danielle wants to return to the moon. Gordo grapples...

A dispute on the moon prompts NASA officials to consider arming astronauts. Ed’s past comes back to...

With a little help from Molly, Ed plans a career change—as his old Jamestown crewmates Gordo and Dan...

Ed's reckless behavior at NASA shakes the foundation of the Baldwin family. Tracy attempts to readap...

American astronauts and NASA leadership prepare for a new mission with unlikely partners. Ellen gets...

Ellen is challenged by her new role. Margo’s allegiances are put to the test. Karen explores new opp...

Gordo returns to space. Molly faces an upsetting new reality. Aleida confronts her first major hurdl...

The rivalry between American astronauts and Soviet cosmonauts intensifies as last-minute changes imp...

Tensions between the U.S. and the Soviet Union reach an all-time high on the moon, throwing multiple...

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

A commercial spaceflight company makes an announcement. The choice over who'll command the Mars miss...

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

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

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

The astronauts move quickly to build Martian bases.

A joint mission brings about conflict between crew members.

After a sudden crisis, the Martian crews pull together.

Plans to leave Mars are complicated by an unforeseen issue.

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

Eight years later, a new mission begins: Capture an asteroid. Aleida and Danielle are still haunted...

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.

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.

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

Tensions on Earth and Mars come to a head.