Arctic air is taking cold to another level this week and the US could be facing bouts of it well into December thanks to the polar vortex.

Holiday travelers in the United States avoiding widespread disruptive weather ahead of Thanksgiving might not be so fortunate during their post-holiday journeys.

A winter storm will deliver a punch of snow to millions in the Northeast after it dumps more white stuff on the snowy Midwest ...

Canada's Extended Winter Sneak Peek: Waiting for the switch to cold A meteor storm and an alien comet could be the 'stars' in the sky this fall ...

The dirt is moving! See what's living under your soil after summer's heavy rain ...