Temperatures remain in the upper 40s today and tomorrow, but after the beautiful fair weather more of a wintery mix will roll ...

Findings about the chemical makeup of cave systems can teach us about life in places humans have yet to reach.

Geomagnetic storm conditions may bring the northern lights to more U.S. states along the Canadian border on Wednesday, with ...

Some across the U.S. may again have a chance to see the northern lights Tuesday night as material hurled out by the sun ...

Deep below the Earth’s surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.

Here's when and how to spot the aurora borealis from select spots across the United States the night of March 25 into the ...

"The aurora does not need to be directly overhead but can be observed from as much as a 1,000 km [621 miles] away when the aurora is bright and if conditions are right," the agency explains on its ...

Health officials stress that the pasteurization process used on all milk sold in stores is effective at killing the virus.

A late-season snowstorm brought some impressive snow totals for areas in far northern Minnesota over the weekend.

Light snow will be falling for northern Minnesota this morning, and northwest winds will keep temperatures chilly today.

The Northern Lights are best viewed when it is dark outside, particularly between 10 PM and 2 AM local time, according to the NOAA. Visibility depends on factors like clear skies, minimal light ...