A bomb cyclone is a name that was given to the atmospheric process of 'explosive cyclogenesis' and is used to describe a quickly and deeply strengthening storm. It has also been referred to as 'bombogenesis.'

Winter's harsh hold on the eastern U.S. shows no sign of easing up, with "dangerously cold temperatures" expected to persist.

Winter Storm Gianna could turn into a powerful nor’easter this weekend, bringing snow, strong winds, and coastal flooding risks to the East Coast. The storm’s path remains uncertain.

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.

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

Forecasters said Sunday that winter storm Fern would shift out of the south-central U.S. and intensify across the Northeast, with widespread snow, sleet, and freezing rain set to affect around 190 million people through early Monday.

Many in the U.S. faced another night of below-freezing temperatures and no electricity after a colossal winter storm heaped more snow Monday on the Northeast and kept parts of the South