That's why it's generally safe to plug a two-prong plug into a three-prong outlet: those plugs are designed to work safely even without a grounding slot. Still, grounding matters for some devices.

Plug Power (PLUG-2.25%) is down 99%, but its hydrogen tech is still fueling Amazon and Walmart. With vertical integration, billion-dollar contracts, and a new hydrogen plant coming online, could ...

The latest news and headlines from Yahoo News. Get breaking news stories and in-depth coverage with videos and photos.

A male victim was injured after being chased and shot by three suspects in Alangalang, Leyte. The armed suspects fired at the victim, hitting him on his left arm. According to a report by TV5's ...

Today, we saw prosecutors and defence lawyers rest their cases in the sex-trafficking trial of Sean "Diddy" Combs. This brings more than six weeks of testimony against the hip-hop mogul to a close.