A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

Commercial flights bound for Europe have been taking off late from the States but arriving on time or early, thanks to a more powerful jet stream, strengthened by the arctic air mass that settled ...

The super-fast jet stream, which is fuelling Storm Eowyn, is cutting journey times between the US and Britain by nearly ... towards our shores. “The current maximum speed in the jet stream ...

The Deep South of the United States was hit with a rare snowstorm, the result of a collision of air pressure systems moved by jet streams ... the Gulf Stream is an ocean pattern that also has an ...

Unable to view our graphics? Click here to see them. Polar vortex and jet stream are both extending southward into the US The National Oceanic and Atmospheric Administration's Global Forecasting ...

Telescopes around the world have spotted a monster radio jet streaming from a quasar dating ... jet formed when the universe was just 9% of its current age — within the first 1.2 billion years.

An American Airlines regional jet collided with a U.S. Army Black Hawk helicopter on Jan. 29. Both aircraft plunged into the ...

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) per hour, but they are not the strongest in our solar system. The ...

WASHINGTON — In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles per hour, but they are not the strongest in our solar system.