While jet streams are air patterns, the Gulf Stream is an ocean pattern that also has an impact on weather.

The National Transportation Safety Board provided an update on Thursday on the deadly airplane-helicopter crash over ...

A large search-and-rescue operation is underway in the Potomac River near Ronald Reagan National Airport after a passenger ...

The first is the polar jet stream, a huge current of air that circles the globe between 50 and 60 degrees north latitude within the low-altitude troposphere, the same layer of atmosphere where ...

This weather phenomenon, called a polar vortex, occurs when cold weather that is north of a jet stream moves southward. On Sunday, the North American jet stream will “dip” south, bringing cold air ...

A powerful pattern is setting the stage for an amplified jet stream that will shunt cold ... for colder air plunging southward across the North American continent. Once the ridge of high pressure ...

The latest:Chances of snow, freezing rain in Florida inch higher. Here are the odds of it happening. Living with the cold does not come naturally on the Gulf Coast. After a winter storm in 1774 ...

A frantic search for survivors is underway after a passenger plane collided with a US Army helicopter midair near Reagan ...

The plane collided with a helicopter just before it was scheduled to land. This is a developing story and will be updated.

Almost 22 years after Concorde made its final commercial flights, a prototype passenger jet is attempting to break the sound ...