Every state but Hawaii, California and Florida is likely to get a taste of wind chills of 20 degrees or colder.

Federal data only tells part of the story of how the global wildlife trade is fueling nature loss, a new study shows.

Ushering in the vortex is a winter storm, the third one of the week, which will track from the Intermountain West on Friday ...

A powerful storm system will bring a mix of snow, rain and severe weather to the central and eastern U.S. this weekend, impacting a wide swath of the country.