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

In “The Great Math War,” Jason Socrates Bardi takes on a battle for the soul of numbers that divided the experts of its day.

Explore innovative distance measurement methods for DIY projects. Learn about tools like UWB, barometers, and camera-based systems.

Because you’re catching the bullet on the upswing, a 50-yard zero often means you’re close to dead-on again around 160–170 ...

Mathematician Grigori Perelman solved the Poincaré conjecture, and then rejected the $1 million prize that came with it.

Van Gisbergen improves on multiple tracks, wins 2025 Sunoco... NASCAR at Phoenix: Key info, links, results for championship... NASCAR at Phoenix: Key info, links, results for championship weekend ...

Throughline is a time machine. Each episode, we travel beyond the headlines to answer the question, "How did we get here?" We use sound and stories to bring history to life and put you into the middle ...

Automakers face higher costs from US port fees, car carrier Wallenius Wilhelmsen warns Automakers transporting their cars to the U.S. could face $200 to $300 per vehicle in additional costs, the CEO ...

The latest exhumations of Native American students from a cemetery at the former Carlisle Indian Industrial School resulted in the remains of 17 being repatriated to their families and tribes.