First clipper storm to cover half the country in just over a day The first clipper storm and its snow will travel about 1,000 miles in 24 hours from southwestern Iowa on Thursday to western Virginia ...

Will cold clipper storms finally bring snow to NYC, Philly and Boston? Chicago, Detroit, Des Moines, Iowa, and even Richmond, Virginia, have picked up accumulating snow so far this year--but when will ...

Millions brace for 'mother lode' of cold air, but a change is in sight for central, eastern US Arctic air, rivaling the lowest temperatures of the polar vortex episode in recent weeks, will grip the ...

NASA is working to reestablish communication with MAVEN, the space agency’s decade-old Mars orbiter, after it suddenly lost contact with Earth this week. In an update Tuesday, NASA said ground ...

A series of atmospheric rivers has caused days of heavy rain in the Pacific Northwest, with some locations getting as much as a foot of rain — and AccuWeather meteorologists say it isn't over yet.

Firefighters in New Hampshire responded to Canobie Lake to rescue a dog that wandered out onto the ice and fell through into the frigid water.

Northern lights forecast: Aurora could be visible across northern U.S. Tuesday after solar eruptions A strong geomagnetic storm forecast by NOAA’s Space Weather Prediction Center could make the aurora ...

More than a foot above average snow in the Midwest Residents in parts of the Midwest, from Dubuque, Iowa, through Chicago, Illinois, have seen snowfall totals running more than a foot above the ...

A 7.6-magnitude earthquake struck offshore from Japan Monday, triggering tsunami warnings for the immediate coasts.

Editor's note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. (CNN) — The Hubble Space Telescope and ...

A powerful cyclone, flooding rain and unseasonable warmth will all make headlines this week. First is the landfall of dangerous Tropical Cyclone Debbie in Queensland on Tuesday morning local time. The ...