In the official trailer for Project Hail Mary, Ryan Gosling plays a middle school teacher turned astronaut who might be humanity's only hope for survival.

Ryan Gosling journeys to space in the trailer for the sci-fi film "Project Hail Mary," which hits theaters in March.

The story follows science teacher Ryland Grace (Ryan Gosling), who finds himself on a spaceship millions of miles from home. He begins to remember his critical mission to decipher what's causing the sun to die out -- and hence protect the Earth from extinction.