Project Hail Mary ending explained: Find out why Ryland Grace never returns home and how Rocky reshapes his final choice.

Project Hail Mary by Andy Weir is a science-fiction novel centered on Ryland Grace, a former middle-school teacher who wakes up alone on a spacecraft with no memory of who he is or why he's there.

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Cody Two Bear, who is Standing Rock Sioux, served on his tribal council during the ...