When astronauts begin mysteriously falling to Earth, an aging couple forms a strong connection with the one who lands in their backyard.

In the far future, a Welsh woman temporarily moves to a space colony on a distant planet with her husband, Owen. The woman regals her space-born daughter with tales of the wonders of Earth, and her daughter develops a great longing for Earth that eventually puts her life at risk.

In the near future, a young mother leaves behind a book for her daughter before she embarks on her space journey to the outer solar system in an attempt to communicate with extraterrestrial creatures. Sections from her book are interspersed with her husband's verbal recollections of their love story, which he addresses to their young daughter.

In a dystopic future on Earth, as a woman comes home from vacation, she hears about a continent emerging from the sea as old ones sink, and returns to find her husband released from Rehabilitation Camp. He and his fellow researchers discover how to make a “sun tap” to channel the sun’s energy into power, but then he is again forced away by the government, into a hospital.

The first manned trip to Pluto discovers some fascinating and alarming information. A trip to Pluto uncovers information that changes science and human history as we know it.

An older Indian man recounts his story of "alien" encounters on Mars during Saturday tea.

An injured man lays on a long stretch of sand looking up at the stars; his mind races back to previous injuries and illnesses, but he can't seem to get a grip on where he is or why he's there. He soon realizes that he's a long way from home, in outer space.

On a far-future Earth, a young man accidentally commits adultery and is exiled to a distant planet that has undergone catastrophe—only to realize that this planet is an experiment to create a second Earth, and he has an opportunity to lead the inhabitants in building an interstellar empire.

In 1975, a meteor shower brings hundreds of invasive alien plant species to Earth, who quickly take hold of local ecosystems. A scientist grows up and grows old amid the fallout.

Over the course of millions of years, various species in the galaxy discover a human footprint on the surface of the moon and attempt to explain its origin and meaning.