A powerful polar vortex is set to grip much of the United States next week, as seen on a map, with meteorologists predicting plunging temperatures and widespread disruptions.

Forecasts indicate that the Arctic polar vortex will deliver frigid winds across large portions of the U.S. in the new year.

Portions of North Dakota, Montana and Minnesota are all bracing for wind chill temperatures that could plunge to -30 degrees or below as a high-pressure system makes its way south, bringing an Arctic ...

The United States satellite images displayed are ... gaps in data transmitted from the orbiters. This is the map for US Satellite. A weather satellite is a type of satellite that is primarily ...

A light, 4.7-magnitude earthquake struck in Northern California on Wednesday, according to the United States Geological ...

The northern lights are one of the most spectacular natural phenomena on our planet and commonly occur within the so-called ...

The cold is expected to persist throughout January, with relief coming once February rolls around. Such plunges occur when ...

Millions should prepare for disrupted travel and winter conditions as a fierce storm is set to bring ice, snow and freezing ...

Areas with the most sustained warmth were around the toasty Gulf of Mexico and scattered inland across locations such as the ...