Wikipedia
Cosmicomics is a collection of twelve short stories by Italo Calvino first published in Italian in 1965 and in English in 1968. The stories were originally published between 1964 and 1965 in the Italian periodicals Il Caffè and Il Giorno. Each story takes a scientific "fact" (though sometimes a falsehood by today's understanding), and builds an imaginative story around it. An always extant being called Qfwfq narrates all of the stories save two, each of which is a memory of an event in the history of the universe. Qfwfq also narrates some stories in Calvino's t zero.
All of the stories in Cosmicomics, together with those from t zero and other sources, are now available in a single volume collection, The Complete Cosmicomics (Penguin UK, 2009).
The first U.S. edition, translated by William Weaver, won the National Book Award in the Translation category.