Status Updates From Last and First Men

Another of Stapledon's predictions that are unintentionally comical to read in 2026 is that in his estimate manned spaceflight would not take place until millions of years in the future, by which humanity would have evolved into a race of telepathic giants. (genetically engineered by brains in vats commanding a elf-satyr-like slave caste) Who would conquer Venus and evolve into bat-people.

the Martians who appear halfways through seem to have been the inspiration for the alien in the recent film "Nope", now that I think of it