Forecasters are warning that air pollution may become trapped and adversely affect humans, due to weather conditions in the U ...

Another display of the northern lights could be visible this weekend in several U.S. states following a severe solar storm.

Another display of the northern lights could be visible this weekend in several U.S. states following a severe solar storm.

The states that will likely see the natural light phenomenon, known as the Aurora Borealis, are Washington, Idaho, Montana, ...

On Friday at 11:26 a.m. an updated winter weather advisory was issued by the National Weather Service in effect until 3 p.m.

Montana's skies offer prime opportunities to witness celestial events like the Northern Lights and planetary alignments. Keep ...

The effects of a coronal mass ejection—a bubble of plasma that bursts from the sun’s surface—will likely impact Earth’s ...

The aurora borealis is back and is expected to be visible in more than 10 states. See which states will have the best views.

The NWS has warned of possible snow squalls as Arctic air spreads south and east from the Rockies Friday through next week.

But wind can also somewhat inhibit particularly cold air coming from the east from settling fully into far-western Montana, ...