Ten counties in Nebraska are caught up in a Department of Homeland Security order condemning sanctuary jurisdictions, but the ...

Jamie Azure, chair of the Turtle Mountain Band of Chippewa, speaks during the Tribal Leaders Summit in Bismarck on Sept. 4, ...

Air quality in some parts of the United States is worsening as smoke from dozens of wildfires in Canada travels south, pushed ...

Analyze monthly-averaged or daily sea ice extent and concentration via interactive maps. Plot monthly ice extent anomalies, map sea ice concentration anomalies, and more. Use a map-based interface to ...

Smoke from Canadian wildfires is working its way into the northern U.S. this week, prompting warnings from health officials ...

The Northern Lights cannot be seen during daylight hours. Instead, nature’s light show is best seen between the hours of 10 p ...

The Turtle Mountain Band of Chippewa and Spirit Lake Nation asked the full 8th Circuit Court of Appeals to review a ...

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

Wildfire smoke from Canada is expected to move over the U.S., and maps and satellite imagery show the large-scale impact of ...

Wildfires in Canadian provinces of Manitoba and Saskatchewan are creating smoke visible in Michigan. Here's what to know.

Smoke from wildfires burning in Canada, North Dakota and Minnesota is expected to hit the Chicago area Friday, but what will that mean for the region's air quality?