For 12,000 years, the Galactic Empire has ruled supreme. Now it is dying. But only Hari Seldon, creator of the revolutionary science of psychohistory, can see into the future - to a dark age of ignorance, barbarism, and warfare that will last thirty thousand years. To preserve knowledge and save humankind, Seldon gathers the best minds in the Empire - both scientists and scholars - and brings them to a bleak planet at the edge of the galaxy to serve...

It is the 29th century and the universe of the Human Hegemony is under threat. Invasion by the warlike Ousters looms, and the mysterious schemes of the secessionist AI TechnoCore bring chaos ever closer. On the eve of disaster, with the entire galaxy at war, seven pilgrims set fourth on a final voyage to the legendary Time Tombs on Hyperion, home to the Shrike, a lethal creature, part god and part killing machine, whose powers transcend the limits...

The human colony on the planet Argo has long explored and exploited the technology left behind by an alien race, a race gone for hundreds of thousands of years. But then an archeology team accidentally activates a terrible weapon: a weapon that will destroy the entire colony, and its star, if they cannot deactivate it. Evidence at the site suggests that the weapon was created for the ancient Argonauts by another race, a race of traders. And within...

After Susan sees Mr. Smith the substitute teacher peel off his face, she knows he's an alien and only Peter believes her. Together they work to save the class from Mr. Smith's horrible plans.

As their small stock of essential supplies dwindles, a group of refugees from earth struggle to make their strange new planet provide life's necessities.

While waiting to leave Mars before it burns up just like the Earth before it, Liam and his friend Phoebe discover some facts about time and space and realize that the human race is just one of the races trying to survive in space.

A group of Martians looking for life on the different planets in the solar system make a surprising discovery just as they are about to give up.

In December, 1999, a multinational team journeys out to the stars, to the most awesome encounter in human history. Who -- or what -- is out there? In "Cosmos," Carl Sagan explained the universe. In "Contact," he predicts its future -- and our own.

The first of two prequel novels in Isaac Asimov’s classic science-fiction masterpiece, the Foundation series

THE EPIC SAGA THAT INSPIRED THE APPLE TV+ SERIES FOUNDATION
It is the year 12,020 G.E. and Emperor Cleon I sits uneasily on the Imperial throne of Trantor. Here in the great multidomed capital of the Galactic Empire, forty billion people have created a civilization of unimaginable technological and cultural...

Octavia is excited to study the plants and animals of Faloiv until she witnesses one of the planet's indigenous people being attacked and begins to question her own family history and the scientists she has always admired.