Parts of the U.S. were under a freezing fog warning this week. What is the weather phenomenon?

"Thundersnow can be found where there is relatively strong instability and abundant moisture above the surface," says the ...

With severe cold hitting much of the country, some unusual phenomena like "exploding trees" could be on the way. Here's what ...

In a typical summertime thunderstorm, warm, moist air rises rapidly into the atmosphere, where it hardens into ice crystals, ...

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...

No, it's not an earthquake. The winter phenomenon is a seismic event caused by a sudden cracking in frozen soil or rock saturated with water or ice.

Did you notice the stunning, colorful sight in the sky Monday morning? It wasn’t a rainbow. It’s called a sundog, a weather ...

Texas is no stranger to a good thunderstorm. But lightning and thunderclaps mixed with sleet? That's a rarity.

Weather phenomenon exposes Lake Erie's floor amid strong winds Video captured the aftermath of the phenomenon known as a seiche, which occurs when strong winds push a body of water back and forth.

Australia is experiencing a smorgasbord of wild weather in the lead-up to Christmas, featuring extreme heat, humidity, severe thunderstorms, and tropical storms all on the cards. The locality of ...