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

Last weekend's winter storm dumped snow and ice across the South, but some people also experienced loud booms and felt their homes shake because of a weather phenomenon called "frost quake." ...

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

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

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

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.

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

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

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

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 ...