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

The math behind even the simplest ocean waves is notoriously uncooperative. A team of Italian mathematicians has made major ...

Electrically controlled silicon photonic devices use carbon nanotube heaters to modulate and filter terahertz waves on chip ...

Here are some of the TV highlights in the coming days from Saturday, November 1, including Celebrity Race Across the World and The Great British Bake Off .

A G1 (minor) geomagnetic storm is often the result of Earth plunging into a fast stream of the solar wind, or when a small, ...

The answer has its roots in Portuguese, Dutch, and English sailors who needed a way to tell how fast they were going in an ...

This paper describes Unbend - a new method for measuring and correcting motions in cryo-EM images, with a particular emphasis on more challenging in situ samples such as lamella and whole cells. The ...

NEW YORK (AP) — Kenny Loggins is objecting to the use of his music in a social media post showing an artificial intelligence-generated video of President Donald Trump dumping excrement from a fighter ...

NEW YORK (AP) - The Trump administration has agreed to resume student loan forgiveness for an estimated 2.5 million borrowers who are enrolled in certain federal repayment plans following a lawsuit ...

The varying ways in which the U.S. government has counted Americans over time offer a glimpse into the country’s past, from the days of slavery to various waves of immigration. Racial categories have ...