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Stories by Christopher F. Chyba

Carl Sagan's Extraordinary Career

He died 20 years ago, but while he is widely remembered as a brilliant communicator, he was no less brilliant a scientist

January 3, 2017 — Christopher F. Chyba

Is there Life Elsewhere in the Universe?

The answer is: nobody knows. Scientists' search for life beyond Earth has been less thorough than commonly thought. But that is about to change

December 1, 1999 — Jill C. Tarter and Christopher F. Chyba
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