Several states faced high levels of air pollution on Wednesday, according to officials.

If using a smartphone, NASA recommends using a tripod to stabilize the image, enabling night mode and disabling flash. With a ...

The aurora's are back! And may be visible throughout the weekend. The University of Alaska and NOAA track auroras using the ...

Some geomagnetic storm conditions are expected after a coronal mass ejection that left the sun last week, forecasters said.

Assisted dying laws are extremely divisive and being considered and sworn into law in various countries across the globe.

Gerry Daumiller, the state’s geographic information systems analyst ... Others involved in Montana’s map-making process also are not as certain that it is at the point Daumiller says it ...

Both the City of Helena and Lewis and Clark County are updating their Growth Policies, through 2025, to set the stage for how ...

This information was then used to rank each state on a normalized scale of 0–100 points, with each one then plotted on a map to reveal ... of Arkansas (82.3/100), Montana (59.29/100), New ...

There were no air quality alerts across the U.S. early Friday, following a flurry of warnings partly linked to wildfires in ...

The animals that plummeted 85 feet into Wyoming’s Natural Trap Cave provide a layered history of life dating back to the ...

Snow albedo, also known as snow brightness, started near average in early May and then rapidly decreased until storms in the ...

A judge blocked the Trump administration’s use of the National Guard in Los Angeles, but an appeals court temporarily stopped ...