When you hear the name Carl Sagan, you may think of his revolutionary television series, Cosmos, NASA’s Viking missions, or maybe just that silky voice as smooth as melted butter floating in Zero-G.

On what would have been Carl Sagan’s 84th birthday, Nov. 9, the Carl Sagan Institute released a “lost” recording of a lecture titled “The Age of Exploration” that was recently discovered by Linda ...

If aliens had been watching our planet for the last billions of years, “what might they see if they watch for another hundred years?” asked Lord Martin Rees, the astronomer royal of the United Kingdom ...

Southwest Research Institute’s Dr. Christopher Glein will present “Seafaring in Space: A Personal Voyage to Enceladus” as the Carl Sagan Lecture at AGU’s Fall 2025 meeting. He will discuss the Saturn ...

I finally got around to reading Carl Sagan’s The Variety of Scientific Experience, a volume edited by his wife, Ann Druyan, and based on a series of Gifford Lectures on Natural Theology that Carl ...

I finally got around to reading Carl Sagan’s The Variety of Scientific Experience, a volume edited by his wife, Ann Druyan, and based on a series of Gifford Lectures on Natural Theology that Carl ...

Your April 30 editorial (page 3) on Carl Sagan's self-doubts and internal wrestling about "God" together with the continuing controversies on the mislabeled ...