Ultrafinitism, a philosophy that rejects the infinite, has long been dismissed as mathematical heresy. But it is also producing new insights in math and beyond. His two theorems destroyed the search ...

Before he changed the way we understand lightning on Earth, Joseph Dwyer studied the weather in more cosmic settings. Using the sensors on NASA’s Wind satellite, orbiting a million miles away, he ...

The sunlight-collecting organelles known as chloroplasts solve a packing problem: how to optimize photosynthesis without ...

Remarkably preserved fossils found in southern China offer a fascinating window into what life looked like at the end of the ...