Ryland Grace

The story of Project Hail Mary is a high-stakes survival thriller that feels like The Martian meets a "buddy cop" movie—except one of the cops is a five-legged, rock-like alien.
Here is the breakdown of the content and the main plot:
The Premise: The Sun is Dying
Earth is facing a literal "ice age" apocalypse. A space-borne microorganism called Astrophage is breeding on the surface of the sun and eating its energy, causing it to dim. If it isn't stopped, humanity will freeze to death within a few decades.
The Setup: Waking Up Alone
The protagonist, Ryland Grace, wakes up on a spaceship (the Hail Mary) with total amnesia. He has no idea who he is or how he got there. He soon discovers two dead crewmates and realizes he is the sole survivor of a desperate, one-way suicide mission.
As his memory slowly returns through flashbacks, he remembers that he was a middle school science teacher recruited by a shadowy global task force to find a cure for the Astrophage.
The Twist: Meeting Rocky
While investigating a nearby star that seems immune to the Astrophage, Grace encounters another spaceship. This is where he meets Rocky, an alien from the planet Erid.
Shared Goal: Rocky’s planet is also dying from the same sun-eating organism.
The Friendship: Since Rocky can't see (he uses sound/echolocation) and speaks in musical chords, the two spend a large part of the story "scienced-ing" their way into a friendship. They build a shared language and use their combined knowledge to solve the crisis.
The Vibe
Hard Sci-Fi: Everything is solved using physics, biology, and chemistry.
Humorous but Intense: Ryland’s snarky internal monologue keeps things light, even when he’s about to explode or freeze.
Emotional Core: It’s ultimately a story about the lengths two different species will go to for each other.