Why do the northern lights have different colors? The color of the aurora depends on which gas is being excited by the ...

The dazzling aurora borealis was visible from New Hampshire and Vermont, south to Massachusetts and Connecticut.

Neptune often looks slightly different in observations, as it has dark spots which appear periodically. But it can also be bright at times, as the observations of auroras there show: In the image ...

This event signals the start of Spring in the Northern Hemisphere and Autumn in the Southern Hemisphere, a transition that also manifests in our evening skies as winter constellations start to vanish.

The northern lights may be visible from parts of the U.S. on Tuesday. According to the National Oceanic and Atmospheric ...

WHAT WE ARE TRACKING: Minus a few periods of isolated showers, dry with a gradual warming trend is expected through Friday.

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

The next weather maker will produce accumulating snow in the Northwoods, while a mix of precipitation in parts of Central ...

As well as some of the darkest skies on the U.S. East Coast, it's also the nation's southernmost point. At 24.5 degrees north ...

According to Dr. Schmoll, the Earth's magnetic field has a north and south pole, just like any magnet. The sun does as well.

As astrotourism booms around the world, northern lights viewing is becoming more popular than ever. And aurora chasers are in luck: We’re currently in the middle of an astronomical phenomenon known as ...

Strong northwest winds will return behind the cold front, bringing temperatures down and the chance for mountain snow showers Thursday evening. Snow totals are expected to be low. Most mountain ...