Off-Air

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A Portal to the Multiverse

Author Blake Crouch tells the story of a man who invents a machine that can access multiple realities.

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And other facts you may not know from the Apollo missions.

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Pointers for sifting through your paper and plastics.

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This Apollo 11 poster will have you dreaming of a lunar vacation.

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Should it save you, or the people outside your car?

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In the lead-up to the Brexit vote, 13 Nobel Prize winners warned that departing the EU would be bad for British scientific research.

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How well can your cuttlefish camouflage?

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Author Mary Roach dives into the odd and fascinating experiments conducted by the military.

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A new study on contestants from "The Biggest Loser" found that dramatic weight loss led to a surprising slowdown in metabolism.

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SciFri fans share anecdotes about their imaginary companions.

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