An arctic blast has sent cold air across the United States, causing trees to break suddenly in what looks like an explosion.

The coldest air of the season is set to slide over the Philadelphia area this weekend, which could lead to frost quakes, ice quakes and lake quakes.

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

From thunder ice to Arctic blast, here’s a glossary for all the non-meteorologists and hype wary.

A rumor regarding “exploding trees” has been circulating online, but experts said that is not exactly what happens to trees in cold weather.

Severe cold temperatures hitting much of the country this week could branch out − literally. As people brace for the winter weather, some social media posts in recent days have warned of the chance ...