Edward Livingston Youmans was an American scientific writer, editor, and lecturer and founder of Popular Science magazine.

Popular Science is a U.S. popular science website, covering science and technology topics geared toward general readers. Popular Science has won over 58 awards, including the American Society of Magazine Editors awards for its journalistic excellence in 2003, 2004, and 2019. Its print magazine, which ran from 1872 to 2020, was translated into over 30 languages and distributed to at least 45 countries. In 2021, Popular Science switched to an all-digital format and abandoned the magazine format in 2023. A Verge article published November 27, 2023, referred to a statement from the communications director of PopSci's owner, Recurrent Ventures, Cathy Hebert, indicating that Popular Science "will no longer be available to purchase as a magazine".