The best smart thermostats we've tested can control your home's heating and cooling with your phone or voice—and might help you save on energy costs. I’ve been working with computers for ages, ...

I've been testing PC and mobile software for more than 20 years, focusing on photo and video editing, operating systems, and web browsers. Prior to my current role, I covered software and apps for ...

If you're upgrading to a new iPhone 17 or installing the latest operating system, you'll save yourself a lot of trouble by making a good backup first. Here's how to do it. Jeff Carlson writes about ...