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 ...

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 ...

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.

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 ...

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 ...

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 ...

A quick-moving storm is bringing snow and slippery travel to start the workweek for parts of Kentucky, Virginia, West Virginia and North Carolina, forecast to last into Monday evening. In the wake of ...

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 ...

This year’s Geminid meteor shower peaks this weekend, and skygazers are in for a treat with minimal moonlight during what is considered to be one of the most reliable annual meteor displays of the ...

Back-to-back atmospheric rivers to unleash major flooding in western Washington, Oregon A pair of atmospheric rivers will unleash many inches of rain and trigger major flooding in parts of western ...