Winter's brutal grip on the U.S. East will continue in the coming days, with subfreezing temperatures reaching into Florida and a potential blizzard threatening the Atlantic coast. Meteorologists ...

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

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.

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

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 ...

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 ...

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

A rare red aurora lit up the night sky over Ladakh. Intense solar activity and clear Himalayan skies created this spectacle.