Carl Sagan with the famous message sent on Pioneer probes, 1974. By then he knew we might find life closer to home. Credit: CBS via Getty Images Millions of space nerds reacted with joy Monday to ...

Carl Sagan, the astronomer ... and the events in the future leading to your adult life are now very different? The heart of the paradox is the apparent existence of you, the murderer of your ...

The Carl Sagan Center for Research (CSC ... across nearly all branches of science addressing researching questions around the development of life, where else in the universe it exists and how we might ...