If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread ...

When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or emissions system needs attention. I see it as an early warning system that ...

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...

Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

Samsung is working on a new camera sensor, and once it finds its way into a next-gen Galaxy S-series device, it could help alleviate some of the brand’s problems with shutter speed. As reported by ...

A never-before-seen image of individual oxygen atoms dissolved in water has been captured. Scientists used an advanced laser technique called femtosecond two-photon absorption laser-induced ...

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...

The newly listed company's stock came under pressure this week in line with weakness in cryptocurrency prices. The company recently received a U.S. license to offer prediction markets (investing in ...