Saving energy isn't just about keeping bills down. A new analysis of 100 existing studies across 42 countries shows that ...

Studies have shown a 5 percent reduction in multi-vehicle daytime crashes would save about $8.5 billion a year.

However, as smoke alarm companies discovered, temperature plays a big role in how batteries perform. Hotter temps create less ...

You can turn off blue light on a Mac by enabling the Night Shift feature in your System Preferences.

You can use Night mode on your iPhone to let more light into your camera, making dark photos brighter and clearer.

Home security systems don't need every add-on. These are the devices and sensors that don't add much value -- and that can ...