Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Researchers have combined the Dijkstra and Bellman-Ford algorithms to develop an even faster way to find the shortest paths ...

Artificial intelligence (AI) is increasingly prevalent, integrated into phone apps, search engines and social media platforms ...

D CEO's signature special publication, the Dallas 500, features profiles of the most influential North Texas executives in more than 50 industry categories. The 2025 book, our 10th edition, includes ...