Most people know the theory that an asteroid smashed into Earth — hitting what is now the Yucatán Peninsula — and killed off many of the dinosaurs about 66 million years ago. But that was not the only ...

Carl Sagan, the astronomer ... Suppose point B was in orbit around some bright star. The moment you were in the wormhole, near your point of origin A, you would see that star.

"The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself." - Carl Sagan Ranging from whimsical to spiritual to thought-provoking, Among the Stars is a ...