Near the heart of the Milky Way lies a cloud with a reputation that sounds invented for a science-fiction cocktail menu. Sagittarius B2 contains alcohol. It also contains ethyl formate, an organic molecule associated on Earth with fruity ar...
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Imagine putting the entire Solar System on a cosmic scale: the eight planets, every known moon, the asteroids, comets, dwarf planets, dust and the enormous Sun. The result would be absurdly...
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In 1929, while scholars were cataloguing manuscripts in Istanbul's Topkapı Palace, they encountered a fragment of an extraordinary world map. Painted in vivid colors on parchment traditional...
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When sponge divers found an ancient shipwreck off the small Greek island of Antikythera around 1900, they brought up the kinds of objects archaeologists expected from a wealthy vessel of the...
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Listen to some of NASA's most famous recordings from the outer Solar System and space does not sound silent at all. Jupiter whistles, crackles and roars. Saturn produces eerie rising tones....
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Suppose engineers invent a computer chip that performs the same calculation using half as much electricity. The obvious conclusion is that electricity consumption should fall. Now suppose th...
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Technology is supposed to age quickly. Phones become obsolete, startups disappear, frameworks fall out of fashion and yesterday's revolutionary software becomes tomorrow's migration problem....
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Ice presents a small everyday mystery. A cold pavement can be dangerously slippery even when the air temperature is far below freezing, while many other crystalline solids are perfectly easy...
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An old tree can carry the shape of an injury long after the branch that caused it has disappeared. A swollen collar may surround the site of a lost limb. Growth rings can bend around the old...
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The first message sent across the network that would become a crucial ancestor of the modern Internet was not profound, poetic or even complete. It consisted of two lowercase letters: lo.Tha...
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