EXCLUSIVE: The combination of a powerful El Niño and a changing climate has left questions hanging over what Britain could ...

Add Yahoo as a preferred source to see more of our stories on Google. Record cold temperatures are once again expected to hit a swath of the country this weekend—even plunging Florida into its coldest ...

A stronger polar vortex is developing over the Arctic. Here's what it could mean for winter, including the role of a powerful ...

The polar vortex and super El Niño can affect one another, changing winter conditions. Here's how North Carolina could be ...

A more volatile polar vortex may be made more possible by this year’s “unprecedented” El Niño.

When Punxsutawney Phil popped up and saw his shadow on Feb. 2, a collective groan rippled across the Eastern United States, where freezing temperatures, ice and snow have cast a big chill for days.

A stronger polar vortex is developing over the Arctic. Here's what it could mean for winter, including the role of a powerful ...

A major snow and ice storm is expected to affect tens of millions of people from Texas to New England over the weekend. The storm is very large, and it could be particularly dangerous because a frigid ...

Record cold temperatures are once again expected to hit a swath of the country this weekend—even plunging Florida into its coldest stretch of the last 15 years, potentially bringing snow to areas of ...