Project Hail Mary

Project Hail Mary is a 2021 hard science fiction novel by Andy Weir.

Project Hail Mary is a 2021 hard science fiction novel by Andy Weir. It follows Ryland Grace, a science teacher and astronaut who wakes up alone on a spacecraft with amnesia and must figure out how to save humanity from an extinction-level threat tied to a star-draining microorganism called Astrophage.

Plot

The story follows Ryland Grace as he slowly regains his memories and learns that he is the lone survivor of a desperate mission to save Earth. As he investigates Astrophage and later encounters an alien ally, he works toward a solution that can protect both civilizations.

Background

Project Hail Mary was written by Andy Weir and published in 2021. It is a standalone hard science fiction novel that continues Weir's interest in realistic science, space travel, and improvisational problem-solving.

Themes

The novel explores scientific ingenuity, sacrifice, isolation, and cooperation across species. Its narrative also emphasizes persistence under extreme uncertainty.

Adaptation

The book has been adapted for film development, making it one of Weir's best-known works outside print. The adaptation has increased public interest in the novel.