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

Physics can feel inscrutable to students; this lesson helps them understand a graphing problem by analyzing their own ...

Janelia researchers have uncovered a novel way that two of the structures inside cells—the endoplasmic reticulum (ER) and ...

Most of us probably have difficulty getting off our butts to get exercising, but some have it the other way around. They don’t know when they’ve had too much. And this might be a way to help those who ...

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

This study offers a valuable advance for neuroscience by extending a visualization tool that enables intuitive assessment of how dendritic and synaptic currents shape the output of neurons. The ...

Defense Secretary Pete Hegseth and his wife, Jennifer Rauchet, on Marine Corps Base Camp Pendleton, California, Saturday, Oct. 18, 2025. (Gregory Bull/AP) Leaders at the Pentagon have significantly ...

Moses Itauma will fight for a WBA heavyweight belt after being ordered to challenge Kubrat Pulev. The unbeaten 20-year-old British challenger is targeting a version of the world title in just his 14th ...

Here's what you need to know about each update to the current version of Windows 10 as it's released from Microsoft. Now updated for KB5066791, released on Oct. 14, 2025. Download now to see how ...

A pair of immigration officials testifying in federal court Monday defended their agencies’ use of force with protesters and media during the Trump administration’s ongoing “Operation Midway Blitz,” ...