During the Cold War, the U.S. and the Soviet Union competed across nearly every arena, including space. The rivalry shifted dramatically on Oct. 4, 1957, when the U.S.S.R. launched Sputnik, the ...
Elizabeth Guevara is a personal finance reporter who explains the world of business and economics and how it impacts your finances. She joined Investopedia in 2024. whitebalance.space / Getty Images ...