For Mr. Santos, math can also inspire ideas about structures that have already been built — a new way to see and appreciate the world. Inspired by this idea, The New York Times created a virtual tour ...

(CNN) — Ice creams, frozen desserts and super-chilled sodas take on a new appeal in sticky summer heat. As climate change drives hotter temperatures, Americans are consuming more and more of them, new ...

One string in each of the following pairs can be unraveled into a circle—the so-­called unknot. Which one is it? Show puzzle solution The knots at the top left and the bottom right can be unraveled ...

(CNN) — President Donald Trump posted a meme on social media Saturday saying that Chicago “will find out why it’s called the Department of WAR,” as the city’s officials brace for an immigration ...