The rare and colorful lights sometimes seen before major earthquakes could come from electric charges in certain types of rock. Dara Kerr was a senior reporter for CNET covering the on-demand economy ...

On one hand, the speed of light is just a number: 299,792,458 meters per second. And on the other, it’s one of the most important constants that appears in nature and defines the relationship of ...

As manufacturers equip cars with lots of features and technologies, even dashboard lights can become confusing to navigate. Plus, different car makers can put their own spin on these indicators, ...