A Cornell University faculty member, Sagan wrote about the existential threat of a nuclear winter while also promoting the possible habitability of other worlds in our solar system; most notably Mars, ...

Carl Sagan, the astronomer, Pulitzer Prize-winning author, and legendary popularizer of science, gave this interview during the making of "Time Travel." True to form, he discusses arcane aspects ...

Carl Sagan was an American astronomer who is ... He graduated from the University of Chicago in 1960 with a doctorate in astronomy and astrophysics. Sagan then taught at Harvard and Cornell ...

Carl Sagan's many contributions to science and ... Clarke, The Times Higher Education Supplement ' … presentations delivered at a Cornell University symposium, in October 1994, in honour of Sagan's ...

Carl Sagan, the distinguished Cornell University ... renowned astrophysicist Subramanian Chandrasekhar at the University of Chicago. An old friend from the graduate school days in Kameshwar ...