The Fantasy Review‘s list of 7 Iconic Classic Science Fiction Series You Shouldn’t Miss.
Foundation by Isaac Asimov
From the Blurb of Book 1:
For twelve thousand 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 as a beacon of hope for future generations. He calls his sanctuary the Foundation….
Dune by Frank Herbert
From the Blurb of Book 1:
The Duke of Atreides has been manoeuvred by his arch-enemy, Baron Harkonnen, into administering the desert planet of Dune. Although it is almost completely without water, Dune is a planet of fabulous wealth, for it is the only source of a drug prized throughout the Galactic Empire. The Duke and his son, Paul, are expecting treachery, and it duly comes – but from a shockingly unexpected place.
Then Paul succeeds his father, and he becomes a catalyst for the native people of Dune, whose knowledge of the ecology of the planet gives them vast power. They have been waiting for a leader like Paul Atreides, a leader who can harness that force …
Hyperion Cantos by Dan Simmons
From the Blurb of Book 1:
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 of time and space. The pilgrims have resolved to die before discovering anything less than the secrets of the universe itself….
The Hainish Cycle by Ursula K. Le Guin
From the Blurb of Book 1:
Intergalactic war reaches Fomalhaut II in Rocannon’s World.
Born out of season, a precocious young girl visits the alien city of the farborns and the false-men in Planet of Exile.
In City of Illusions a stranger wandering in the forest people’s woods is found and his health restored; now the fate of two worlds rests in this stranger’s hands . . .
Culture by Iain M. Banks
From the Blurb of Book 1:
The war raged across the galaxy. Billions had died, billions more were doomed. Moons, planets, the very stars themselves, faced destruction, cold-blooded, brutal, and worse, random. The Idirans fought for their Faith; the Culture for its moral right to exist. Principles were at stake. There could be no surrender.Within the cosmic conflict, an individual crusade.…
Space Odyssey by Arthur C. Clarke
From the Blurb of Book 1:
The discovery of a black monolith on the moon leads to a manned expedition deep into the solar system, in the hope of establishing contact with an alien intelligence. Yet long before the crew can reach their destination, the voyage descends into disaster . .