What are some good free science - fiction stories?

Arthur C. Clarke's 'The Sentinel' is also a great one. It's about a mysterious object on the moon that is discovered by astronauts. This story later inspired the movie '2001: A Space Odyssey'. It makes you think about the existence of other intelligent life in the universe.

One good one is 'Old Man's War' by John Scalzi. You can often find free excerpts of it online. It's about an old man who enlists in the military to fight in an interstellar war. Another is 'The Forever War' by Joe Haldeman. There are places on the web where you can access parts of it for free. It gives a very interesting view of war across vast distances of space and time.

A great one is 'The Time Machine' by H.G. Wells. It's a classic that is often available for free. It takes you on a journey through time and makes you think about the future and the past.

One well - known story could be 'Do Androids Dream of Electric Sheep?' by Philip K. Dick. In this story, the concept of free will in androids is explored. The androids seem to develop a sense of self - awareness and a desire for freedom, which blurs the line between what is considered to have free will and what is just a machine following programming.

There's 'Futa Wife in the Parallel Universe'. It's about a scientist who accidentally opens a portal to a parallel universe where his wife has a different form (futa). The story follows their journey as they try to understand the differences between the two universes and close the portal to prevent any unwanted chaos.

Free science fiction stories vary in quality, just like any other type of story. However, classic free stories like those on Project Gutenberg are of high literary value. They have withstood the test of time. And on modern platforms, while some might be amateurish, others are well - crafted and thought - provoking, exploring fascinating concepts such as future societies, space exploration, and artificial intelligence.

There is also 'Ender's Game'. A young boy is trained to fight in an intergalactic war. The story delves into themes of morality, leadership, and the consequences of war. Ender has to make difficult decisions as he rises through the ranks in the military academy and eventually in the real battle.

A great science fiction story is 'The War of the Worlds' by H.G. Wells. It tells about an alien invasion on Earth, which makes people think about the possibilities of life beyond our planet and how we would defend against such threats.

A great science - fiction story is 'Ender's Game' by Orson Scott Card. It's set in a future where Earth is preparing for an alien invasion. Children are trained in a battle school in space. Ender Wiggin, a brilliant young boy, is singled out for special training. The story explores themes of leadership, morality, and the cost of war in a science - fiction setting.

A classic science fiction story is 'The War of the Worlds' by H.G. Wells. It's about an alien invasion on Earth, which was very innovative at the time it was written.