This Is a Triumph (GeekDad POTD)

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.

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

This week on Uncanny Valley, we break down how one of the most common card shufflers could be altered to cheat, and why that matters—even for those who don’t frequent the poker table.

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

A federal contracting database lists an ICE payment for $61,218 with the payment code for “guided missile warheads and explosive components.” But it appears ICE simply entered the wrong code.

“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.

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

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

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

Unusually warm ocean temperatures fueled one of the worst hurricanes on record. New research finds climate change increased the storm’s likelihood.

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.