In Back to the Future Part II, Marty McFly (Michael J. Fox) slips on his Nike sneakers and rides a Mattel hoverboard in front of a Texaco gas station. Courtesy of The Kobal Collection hide caption

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'Back To The Future Part 2': Designing A Future For 30 Years Ago
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Step back in time: This is what 100 million years ago looked like, in a galaxy far, far away. ESO hide caption

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The Christmas Now: How To Be The Center Of The Universe
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Oceans, and the innards of Earth itself, are the final frontiers of our planet. Expect amazing discoveries as explorers document more and more of this unseen realm. Hulton Archive/Getty Images hide caption

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