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." ...

As snow continues to fall in Upstate South Carolina, an unusual weather condition is expected to begin. Here's what to know ...

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

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

As more than half of the United States braces for a powerful winter storm, some meteorologists are warning on social media that “exploding trees” are possible.

The largest nontropical bomb cyclone on record since 1958 struck over the northern Pacific Ocean on New Year’s Eve from 2020 ...

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

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

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

When temperatures get close to 0°, any moisture in the atmosphere can turn into little tiny ice crystals called diamond dust. You will often see the ice crystals floating in the air, almost resembling ...

The US National Weather Service is reassuring residents that they are harmless, despite being “very impressive and scary ...