What to know before the extreme cold settles in.

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.

When temperatures plunge and the air goes painfully still, people in northern forests sometimes hear a sharp crack that sounds like a gunshot. That eerie noise has fueled a viral claim that trees ...

Add Yahoo as a preferred source to see more of our stories on Google. As the temperature drops and snow falls with a major winter storm hitting Ohio and much of the United States this weekend, several ...

Add Yahoo as a preferred source to see more of our stories on Google. As Wisconsin and much of the upper Midwest prepare for rapidly dropping subzero temperatures, some viral social media posts warn ...

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 ...

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 of ...

Viral social media posts are warning about "exploding trees" during a major winter storm. The phenomenon, known as "frost cracks," is real but trees rarely explode completely. This is unlikely to ...

As Wisconsin and much of the upper Midwest prepare for rapidly dropping subzero temperatures, some viral social media posts warn people to watch out for "exploding trees." The phenomenon, while ...