Add Yahoo as a preferred source to see more of our stories on Google. This jet streaming out of a supermassive black hole is traveling at nearly the speed of light. Superman may fly faster than a ...

Add Yahoo as a preferred source to see more of our stories on Google. Person installing light into ceiling hole - Banksphotos/Getty Images From wiring issues to selecting the wrong fixture, there is a ...

It is pretty much a given that, at some point in time, a light bulb is going to burn out somewhere in your home. The good news is that changing a light bulb, or installing a smart light bulb, is a ...

In Hubble pictures taken just months apart of V838 Monocerotis, the dust ring around this star grows by several light-years during that time, called a “light echo.” How can something grow by 5 ...

Turn on a light outside at night, and it won't be long before a bevy of insects start careening wildly around it, apparently drawn in "like a moth to a flame," as the saying goes. Now, in a series of ...

Few things are more frustrating than a loose light switch. You go to turn on your lights and the switch flops back down, leaving you in the dark or with an annoying flickering light. Whatever the ...

This jet streaming out of a supermassive black hole is traveling at nearly the speed of light. Credit: NASA / JPL-Caltech illustration Superman may fly faster than a speeding bullet, but he'd easily ...