Project Hail Mary is a science fiction novel written by Andy Weir, first published in 2021. Set in the near future, it follows Ryland Grace, a science teacher who wakes up alone on an interstellar spacecraft with amnesia, tasked with a desperate mission to reverse the solar dimming threatening life on Earth. Through flashbacks and his current predicament, Grace pieces together the events leading to his journey, encountering unexpected allies and unraveling the mysteries of astrophage, an alien microbe causing the crisis.
Weir, known for his previous bestseller The Martian, blends hard science with humor and human ingenuity. The novel explores themes of survival, international cooperation, xenobiology, and the power of scientific problem-solving. It became a critical and commercial success, debuting at the top of bestseller lists and earning praise for its rigorous scientific detail, engaging first-person narrative, and optimistic tone. The book has been lauded for popularizing complex concepts in astrophysics and microbiology while delivering a thrilling adventure.
