For many Americans, Labor Day means a three-day weekend, backyard cookouts, crowded beaches, college football and the unofficial end of summer. Retailers turn it into a sales event, swimming pools prepare to close, and families squeeze in o...
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On most nights, Americans who want to see the northern lights need to travel a very long way north. Then the Sun becomes unusually active, NOAA issues a geomagnetic-storm watch or warning, a...
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Every September, the technology calendar suddenly becomes crowded. New phones appear within days of one another. Operating systems move from summer previews to public releases. Chipmakers an...
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On an autumn Sunday in the United States, a peculiar national clock starts ticking shortly before 1 p.m. Eastern Time. Televisions switch on. Fantasy lineups receive one last nervous inspect...
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You check your phone and it is 4:44. Later, a receipt ends in $4.44. That evening, three fours appear in an address or a license plate. After the third encounter, coincidence can start to fe...
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Artificial intelligence has become one of those phrases that seems to describe everything at once. It can mean the system that recommends a song, the software that detects a suspicious bank...
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The most spectacular sign of a geomagnetic storm can look almost supernatural. Green curtains ripple across the night sky, red light appears hundreds or even thousands of kilometres farther...
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Long before Mario jumped over his first barrel, before the Game Boy disappeared into millions of backpacks and before families swung Wii Remotes in front of television screens, Nintendo sold...
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Open a familiar rectangular world map and something strange happens to the planet. Greenland appears enormous, sometimes looking almost comparable to Africa. Russia stretches across the top...
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Taste a drop of seawater and the answer seems obvious: the ocean contains salt. The more interesting question is how it got there. There are no gigantic salt deposits steadily dissolving int...
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