While states are moving through phases of reopening, some beauty businesses still remain unopened, including nail salons. Nail lovers continue to be tasked with their own gel reups, polish changes, ...

New work on the problem of “scissors congruence” explains when it’s possible to slice up one shape and reassemble it as another. If you have two flat paper shapes and a pair of scissors, can you cut ...

Nature truly is home to optical illusions, landmarks, and much more. Sometimes, you'll even find shapes hidden in nature — a rainbow that's a perfect semi-circle or hexagonal honeycombs. We rounded up ...

The cosmos seems to have a preference for things that are round. Planets and stars tend to be spheres because gravity pulls clouds of gas and dust toward the center of mass. The same holds for black ...

Hunt for shapes and make familiar objects by putting together several different shapes. Warm up with a Mystery Math Mistake to tell whether Dotson's 10-frames represent a number more than his focus ...

Mathematicians have long wondered how “shapes of constant width” behave in higher dimensions. A surprisingly simple construction has given them an answer. In 1986, after the space shuttle Challenger ...