The Twist Ending of 'Ad Astra' Promises a Surprisingly Hopeful Future for Humanity

ad astra
20th Century Fox

This piece contains plot spoilers for Ad Astra and Arrival.

James Gray's science-fiction character study Ad Astra begins in a "time of conflict." In the near future, our planet is war-torn and in crisis: Missiles are launched from everywhere and toward everything, electromagnetic pulses disable technology within miles-wide radii, and even the newly colonized moon is crawling with pirates. Out of desperation, the space program has sent Brad Pitt's character's father, along with a crew of astronauts, on a mission to find out, once and for all, if there is other life to be contacted out there in the universe. Many years later, Pitt is sent to confirm whether his father did indeed discover evidence of extraterrestrial beings. 

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20th Century Fox

Ad Astra is far from the only movie with alien contact as a theme. Science-fiction novels and movies imagine scenarios ranging from the catastrophic (The War of the Worlds, Independence Day) to the spiritual (Contact, 2001: A Space Odyssey), each of them a tool for examining humanity's place in a much more expansive universe than the terrestrial one we've been confined to most of our existence.

Another example, Denis Villeneuve's Arrival, explores the possibility of first contact's unifying power; an alien race sets up shop on Earth, inviting a few people at a time to attempt to find a way to communicate between species. Researchers and military forces from all over the world discuss their findings and share their research with one another in a utopian worldwide exchange of ideas that could only come about because of the anxiety inherent in meeting a form of life more powerful than us, whose intention remained unclear. That's why the mistranslated alien offering of a "weapon" for humans to use at first felt so devastating. 

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But Ad Astra is not really about aliens in the same way as other sci-fi narratives that focus the search for extraterrestrial life. In its climactic, profound moments, when Pitt's astronaut Roy McBride finds his father Clifford (Tommy Lee Jones), alone and manic after decades aboard a spaceship stuck in the far reaches of our solar system, the two discover something more important than first contact with aliens. Clifford is racked by guilt (for murdering his crewmates when they tried to return home) and shame (at being unable, all these years to find even a hint of any little green men out there amongst the stars). He keeps repeating to Roy, breathlessly, that he failed, he found nothing. 

"But you did," Roy says finally, in a blink-and-you-miss-it exchange as they're leaving the space station. "We're all we've got." 

What if there isn't any life in the universe but us? What if sentience begins and ends with humanity? Statistically, that sounds impossible. We've recently discovered a few nearby planets that might have water and an atmosphere suitable for Earth-like life, and there seems to be far more water in our own Solar System than we previously thought. The universe is an unthinkably enormous place -- surely, surely there must be others out there. How unfair, the thinking goes, would it be to find out that all this time we were shouting into nothing?

The ending to Ad Astra posits that we've been looking in the wrong direction. Maybe it's inherently irresponsible for us to search the stars for something to save us or to give us meaning, ignoring what's actually happening to humanity in the meantime. That's terrifying, and much less fun to imagine than Vulcans giving us space travel technology or the CIA housing aliens in soon-to-be-stormed Area 51, but it's also a wake-up call. If we're truly alone, that means human life is more precious than we could imagine; that Earth, in its perfectly habitable orbit around the sun, is the most special planet in the universe, and that there won't be anyone or anything left to pick up the pieces if we destroy ourselves. In Ad Astra, our last hope -- to end the wars and suffering and contamination of our planet -- is our only hope. To think any less would be the universe's biggest mistake. 

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Emma Stefansky is a staff entertainment writer at Thrillist. Follow her on Twitter @stefabsky.