A woman (actually a cylon) comments on how fragile a baby is, remarking that it's surprising it's tiny neck can support its head. A moment later she snaps the baby's neck (off camera.)
There is a fair amount of space related violence in the 2nd half of the movie.
Shrapnel from a missile fired into a space ship punctures a man's leg and blood violently spurts out.
Two men punch eachother and fight. One gets his face burned with hot steam, and then is kicked and punched continuously. His face is later seen and it is very bloody.
Several people are caught on fire, and run around screaming.
A man is shot with a futuristic pistol, and blood sprays from his chest briefly.
After human fighters blow up, the humans are seen getting shot into space. Once or twice you see some blood spray after a human fighter ship is blown up.