Mysteries of Unexplored Worlds #16

When Larry Baylor's revolutionary deep-drilling device pierces over a hundred miles into the Earth's crust, it strikes something unexpected—a dense, gelatinous substance that erupts from the hole as a series of radioactive, elastic bubbles. As the massive spheres roll across the landscape, engulfing everything in their path and defying all conventional weapons, Baylor and the authorities must race to contain the threat before the mysterious substance spreads beyond control.

Jack Clinton, a feature writer for the Evening Dispatch, gets far more than a simple interview when he meets Ricardo, a man with the extraordinary ability to change his appearance at will. After a disappointing initial conversation, Clinton reconnects with Ricardo to find him confessing to unauthorized entries at a secretive electronics facility—but what he reveals next turns the story in an entirely unexpected direction, touching on mysteries far beyond Earth itself.

In "The Ganymede Enigma," a wealthy inventor journeys to Jupiter's moon Ganymede in his private spacecraft, drawn by the promise of discovery. What he finds instead is a hidden colony of human-like robots laboring under the unseen rule of the Jupiterians—leaving him to confront a mystery far beyond his expectations.

In "The Barrier Clouds of Venus," Earth's explorers uncover a startling truth: Mars has built a vast, artificial cloud around Venus to contain the planet's warlike inhabitants, preventing them from threatening both Earth and Mars. The discovery raises urgent questions about interplanetary diplomacy, hidden alliances, and the true cost of peace.