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Carl Edward Sagan ( / ˈseɪɡən /; SAY-gən; November 9, 1934 – December 20, 1996) was an American astronomer, planetary scientist, and science communicator.
May 27, 2024 · Carl Sagan, American astronomer and science writer. A popular and influential figure in the United States, he was controversial in scientific, political, and religious circles for his views on extraterrestrial intelligence.
- Helge Kragh
Apr 2, 2014 · Carl Sagan was one of the most well-known scientists of the 1970s and 1980s. He studied extraterrestrial intelligence, advocated for nuclear disarmament and co-wrote and hosted 'Cosmos: A...
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Nov 22, 2021 · Astronomer Carl Sagan, called "America's most effective salesman of science" by Time magazine, spent much of his career translating technical scientific explanations into something...
- 1 min
- Nola Taylor Tillman,Jessica Leggett
Learn about Carl Sagan's life, achievements and legacy as a leading figure in space exploration and exobiology. Find out how NASA honored him with the Carl Sagan Center for the Study of Life in the Cosmos.
Nov 9, 2023 · Learn how Carl Sagan, a multifaceted American scientist, contributed to astronomy, cosmology, astrobiology and popular science. Explore his discoveries, achievements, messages to space, environmental activism and influence on future generations.
Oct 18, 2023 · In 1993, Carl Sagan and his colleagues used NASA's Galileo spacecraft to search for evidence of life on Earth from space. The study was a control experiment for the search for extraterrestrial life and a test of remote sensing methods.
