Nuclear winter is a term given to what would happen to Earth's environment following a large-scale nuclear war. In effect, the entire planet would be plunged into a very bitter winter that would last months or years. The most severe...

Nuclear winter is a theory estimating the global climatic consequences of a nuclear war: prolonged and worldwide cooling and darkening caused by sunlight-blocking smoke and soot entering the atmosphere. During the Cold War after World War II, the...

The term applied to describe the theoretical outcome of a major nuclear war. The theory postulates that the detonation of many nuclear warheads would create widespread firestorms. These, together with the explosions, would throw sufficient particulate...

Nuclear winter is a hypothetical global climate condition that is predicted to be a possible outcome of a large-scale nuclear war. It is thought that severely cold weather can be caused by detonating large numbers of nuclear weapons, especially over...

More than a quarter-million people were urged to flee their homes across Southern California on Monday as wildfires blown by fierce desert winds raced over the landscape with terrifying speed, even leaping a 10-lane freeway in a matter of minutes.At least one person was killed,...

Wildfires blown by fierce desert winds Monday reduced scores of Southern California homes to ashes, forced hundreds of thousands of people to flee and laid a hellish, spidery pattern of luminous orange over the drought-stricken region.At least one person was killed in the fires, and...