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The movement of human beings off the planet out into the Universe; first the Moon, and then Mars, and then who knows where, is just beginning and there is nothing that can stop it."

—Alan Bean

Videos

This is what the universe looks like after 146 years of Popular Science. We took a century and a half worth of PopSci illustrations and covers to animate a timeline of weird, wild and wondrous moments in science history.

A nautilus story in three parts: Nautiluses 'see' with their nose. What does Star Trek II: The Wrath of Khan have to do with the inside of the nautilus' shell? And the once lost, now found first underwater film is stranger than fiction.