In the new sci-fi blockbuster movie "The Martian," there's a critical scene involving rocket fuel and an explosive fireball. The blast happens when astronaut Mark Watney (played by Matt Damon ...

One major example of this is when Martian plans to rescue Alexei Orekhov, a contact whose life is at risk because of Coyote's capture. Those scenes on The Agency illustrate the moral trade-offs ...