How An Engineer Folds a T-Shirt

The interstellar comet 3I/Atlas reached its closest point to the sun. Here's how to follow the rest of its journey away from our solar system.

A Turning Point USA official inaccurately claimed a high school's math department wore Halloween costumes that mocked Charlie Kirk. Those teachers are now facing a flood of online attacks and death threats.

Save almost $20 on Microsoft's first-party headset for Xbox Series S/X.

Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.

Which film camera should you get? Which films are the best? We demystify the world of analog photography to help you get started.

These lightweight Celestron binoculars offer great magnification for the price.

“Anomalous” heat flow, which at first appears to violate the second law of thermodynamics, gives physicists a way to detect quantum entanglement without destroying it.

This $400 set comes with minifigures of the complete Next Gen crew, including Picard, Riker, and Wesley Crusher’s portable tractor beam.

The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number theory to explain quantum fractals.

What sneaky invisible forces enable these instruments to locate buried treasure?

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

Whether for bird-watching or baseball-spotting, we break down prices and specs to find the best pair for you.