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

Parts of 15 states could have a chance at seeing the Northern Lights on overnight on Tuesday if the weather cooperates.

Tacoma, Washington, a smokestack leached toxic lead into the water and air. Living nearby: three men who would become some of ...

Last spring, the strongest geomagnetic storm in two decades slammed Earth, producing light displays across the Northern ...

The best time to see noctilucent clouds is on clear nights between late May and mid-August, about 90 to 120 minutes after ...