To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

Much below normal temperatures should persist across the eastern U.S. into early February before moderating slightly.

The west half of the country, including the Midwest, will start to warm up. But that won't be the case for the East Coast.

A collapse in the polar vortex is letting Artic air come here. What that means, and why it happens.

A severe winter storm that brought freezing rain, sleet and snow to a large part of the U.S. was intensified by the polar ...

Climate deniers are quick to say 'I told you so' when the mercury drops. But a warmer planet impacts weather in ways that can ...

A polar vortex that brought bitterly cold temperatures to much of Canada slammed the country's biggest city with a blizzard ...

Worlds that circle stars other than our own are called “exoplanets.” This specific one could be the very first planet like ...

This year’s class of nominees, led by Kendrick Lamar, is a great one. Will he finally win Album of the Year?

With an image from the James Webb Space Telescope, NASA finds clues outside the solar system that explain crystals born in ...

SpaceX (SPACE) seeks U.S. approval for a constellation of a million satellites that could function as orbital data centers. Read more here.