You open a social-media app to check one headline. A war update leads to a natural disaster, which leads to political outrage, an economic warning and a frightening health story. Twenty minutes later, you are still scrolling. You feel worse...
Read article
A solitary desert locust can spend its life trying to avoid other locusts. Put enough of them together, however, and something extraordinary begins to happen. The insects become more active,...
Read
Your passport knows exactly how old you are. Your cells are a more complicated matter. Two people born on the same day can reach middle age with very different cardiovascular health, physica...
Read
Few sights make the Moon seem more theatrical than an early-autumn moonrise. A huge amber disk appears behind trees, rooftops or distant hills, looking far larger than the Moon we see later...
Read
The James Webb Space Telescope is often introduced through spectacular pictures: glowing stellar nurseries, delicate shells of gas, galaxies from the young universe and strange worlds orbiti...
Read
When a tropical system appears in the Atlantic, the urge to watch it move across a map can become almost compulsive. A disturbance off Africa becomes a colored area on an outlook. A few days...
Read
A mosquito bite is usually an itchy annoyance that disappears within a few days. During summer and early autumn in the United States, however, one particular mosquito-borne infection repeate...
Read
When artificial-intelligence stocks surge, most attention goes to the companies designing the chips. Nvidia became the emblem of the AI boom because its GPUs perform much of the enormous par...
Read
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...
Read
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...
Read