When fast-moving particles and plasma slam into Earth’s magnetic field, they can temporarily disrupt the power grid. Space weather can also interfere with air traffic control radio and satellites in ...

A severe geomagnetic storm watch was issued by NOAA on Tuesday in response to recent coronal mass ejections from the sun.

Palm Beach County experienced its coldest temperatures of the fall, with lows in the 40s. The cold snap was caused by Arctic air moving south due to a fissure in the polar vortex. Forecasters expected ...

New York City could see its first snow of the season on Tuesday as a powerful polar vortex sweeps across the eastern half of ...

An unseasonably fierce polar vortex is sweeping across the United States, thrusting nearly twenty states into a deep freeze ...

First freezes have chilled nearly half of Kansas so far this cold-weather season. The mercury had fallen to 32 degrees or lower by the end of the day Oct. 26 at 42 of the 93 Mesonet weather stations ...

Wall Street stocks ended at fresh records again on Monday over optimism that the US-China trade war was about to ease, with a possible deal in view when presidents Donald Trump and Xi Jinping meet ...

WASHINGTON, Oct 25 (Reuters) - U.S. President Donald Trump's administration has prepared additional sanctions it could use to target key areas of Russia's economy if President Vladimir Putin continues ...