When doing some genealogy research on my great-grandmother, who was the first Chief Cook of the White House, I stumbled across this old article from the Feb 8th, 1920 edition of the New York Tribune; I downloaded the archival quality version from the Library of Congress and reposted it on Internet Archive as a easier-to-download standard jpeg. A fascinating bit of early sci-fi, presented as speculative science, back when Heinlein was playing hooky and Asimov was still in the cradle:
archive.org/details/NyTribuneFeb81920ScientistsAgreeMartiansAreSuperRace