Carl Sagan

Extraordinary claims require extraordinary evidence.

Extraordinary claims require extraordinary evidence.

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and read more

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology

Science is not only compatible with spirituality; it is a profound source of spirituality. -Carl Sagan.

Science is not only compatible with spirituality; it is a profound source of spirituality. -Carl Sagan.

Imagination will often carry us to worlds that never were. But without it we go nowhere.

Imagination will often carry us to worlds that never were. But without it we go nowhere.

The universe is not required to be in perfect harmony with human ambition. . -Carl Sagan.

The universe is not required to be in perfect harmony with human ambition. . -Carl Sagan.