From Wikipedia: “Scientific American is an American popular science magazine. Many famous scientists, including Albert Einstein, have contributed articles to it. In print since 1845, it is the oldest continuously published monthly magazine in the United States (though it did not become monthly until 1921).”
UAPs are covered on several occasions
2011
UFOs, UAPs and CRAPs (04/01/2011)
Published before the 2017 New York Times article
(For additional information see New York Times in section >Media< in the UFODIM)