A radio station engineer named Allan Maxwell establishes contact with an alien being. But when the station's power is turned up, the alien is teleported to Earth where its radioactive nature causes havoc.

A scientist discovers a way to speed up evolution and tries out the process on a simple miner.

In a war action with the planet Ebon, some soldiers are captured, interrogated and tortured.

A scientist named Ian Fraser invents a machine which can pierce the borderland between this world and... The Afterlife? Maybe. Fraser convinces an industrialist to finance future experiments with the possibility of contacting the rich man's dead son.

In a South American country a group of explorers discover a prehistoric monster in an ancient lake. The discovery leads them into conflict with the country's dictator.

Exiles from the planet Zanti arrive on Earth, and a startling truth is uncovered when two human renegades invade their privacy.

Two Martian investigators probe our custom of homicide.

Workers on a moon base find a mysterious rock that appears to be alive.

The people of Earth surprise their alien captors when an entire neighborhood is transported to another planet as part of a plan to enslave the human race.