A four-day, once-in-a-generation weather event is pounding the middle of the U.S. with destructive tornadoes and life-threatening flooding.

According to NOAA's Space Weather Prediction Center, a fast, energetic flow of solar particles is about to sweep past Earth.

Has the sun already reached solar maximum? New data suggests Solar Cycle 25 may have peaked earlier than expected. Find out ...

A massive storm hitting the central U.S. on Wednesday could spin up damaging tornadoes and dump heavy rain from northern Texas to the Great Lakes.

Astronomers are warning that Earth could be hit any minute by space weather and intense aurora borealis following the sun's ...

The National Weather Service warned on Thursday of "generational" floods in the U.S. South and Midwest as storms ripped ...

At least 1 dead, 10 hurt as 'dangerous' system hits much of U.S., spins up tornadoes and flood risk ...

This is easily the worst ice storm in modern times — in the last 50 years — and you have to go back all the way to 1922 to ...