In a first, physicists have directly seen Hofstadter’s butterfly—a long-sought-after fractal in the quantum realm ...

Controlling nature by bulldozing dirt and pouring concrete has long been the guiding vision of the U.S. Army Corps of Engineers. For 250 years that ethos inspired both awe and disgust. “In my ...

A polar bear lounges in a field of pink flowers. An arctic fox skips gingerly as the thaw of spring moves in. And a baby chimpanzee sips a bottle. The 2024 Nature Photography Contest showcases the ...