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

A severe geomagnetic storm could bring the northern lights and possible technological effects to the U.S. to start the week, ...

Why are there two Dakotas instead of one? Dive into the political maneuvering, regional rivalries, and congressional strategies that led to North and South Dakota becoming separate states revealing ...

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

The northern lights could also be visible Tuesday night in parts of Washington, Idaho, Montana, Wyoming, North Dakota, South ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

Sunny with a high of 76 °F (24.4 °C). Winds N at 12 mph (19.3 kph). Night - Clear. Winds variable at 6 to 10 mph (9.7 to 16.1 kph). The overnight low will be 54 °F (12.2 °C). Mostly sunny ...

NASA’s SWOT satellite has measured large river waves for the first time, which were found to be caused by extreme rainfall ...

According to the NOAA, 24 states, including Alaska, Montana and North Dakota, might have a chance to see the northern lights ...

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

More than 25,000 residents in three provinces have been evacuated as dozens of wildfires remained active Sunday and ...

The Rosebud Sioux Tribe in South Dakota has declared a public safety state of emergency on its reservation, asking for more law enforcement resources from the federal ...