Captain Science #6

Captain Science battles invisible alien tyrants while returning from space aboard the rocket Calot III, which is running low on fuel and experiencing engine failure. Meanwhile, on Earth, scientist Tom Leigh and a group of refugees sheltering in an underground atomic research lab discover that giant ants have invaded the surface world, killed all other animals, and established total dominance over humanity, forcing the survivors into hiding. The story explores both the space-based conflict with the invisible beings and the catastrophic ant invasion threatening mankind's extinction.