You can watch the Cosmos marathon right now, for free!
Science makes the heart grow fonder. Want proof? Just watch Bill Nye as he remembers time spent with the legendary cosmologist Carl Sagan.
Evolutionary biologists generally agree that humans evolved from a bacteria-like ancestor, rather than a viral one. But what if we're chemically connected?
A quote from a 1995 book by astronomer Carl Sagan describes a world many find disturbingly similar to ours.
Scientists propose an unexpected location for extraterrestrial life.
As mankind raises its eyes to Mars and asks, "How do we get there?", we might need to ask, "Should we go?". Carl Sagan said we may not be entitled to visit a potentially inhabited planet.
Carl Sagan was one of the people who helped shape this recording that might just end up in the hands of some other beings, somewhere out there.
YOU get a poster, and YOU get a poster, and YOU get a poster!