An astronaut crew crash-lands on a planet in the distant future where intelligent talking apes are the dominant species, and humans are the oppressed and enslaved.
In the distant future, a police marshal stationed at a remote mining colony on the Jupiter moon of Io uncovers a drug-smuggling conspiracy, and gets no help from the populace when he later finds himself marked for murder.
A joint U.S.-Soviet expedition is sent to Jupiter to learn what happened to the Discovery.
Three American astronauts are stranded in space when their retros won't fire. Can they be rescued before their oxygen runs out?
A tiny country persuades the Americans and Soviets that they're starting a space program, when they really just want some money for new plumbing.
The weirdest alien of the galaxy pays a visit to Earth...