Are We Alone?

Seventy-four percent of Americans believe in the existence of aliens - and 15 million believe that they have actually made contact with extraterrestrials. This March, Science Channel returns with its programming event dedicated to one of mankind's most pressing questions with ARE WE ALONE? (Source: The Science Channel)

Episode Info

Prev: 3x06 -- Are We Alone? with Brian Cox (Dec/11/2014)

We go inside the story of human origins and of our expansion across the face of the planet and ultimately into space with a bold new theory. Brian Cox takes a journey that links the evolution of our ancestors' brain size to changes in the Earth's orbit.


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