NASA's IMAP mission will delve into the mysteries of the heliosphere, mapping its boundaries and studying solar wind ...

Alerts for cold weather are in effect for nearly half of the U.S. population, running from the northern Plains to the Gulf ...

The coldest air of the season will descend across the U.S. this weekend and early next week, bringing subzero wind chills ...

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

Fires across the Los Angeles area have killed at least 25 people. The Palisades and Eaton fires continue to burn in Southern ...

During Friday, winds will back from westerly to south-southwesterly, boosting afternoon temps into the mid-upper 30s under a mostly to partly cloudy sky.

When temperatures fall and wind speeds pick up ... hold the frostbitten area closely against warm skin to return blood flow and warmth to the affected area. UP Skiing:One of the best ski resorts ...

Let’s start with some good news…there are going to be intervals of average to perhaps even above average for the rest of the ...

High winds are expected through Wednesday, increasing the risk of fires spreading once more around Southern California.

Parts of the area are under “particularly dangerous situation” red flag warnings. The worst of this round comes late Monday ...