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

The National Weather Service issued an air stagnation advisory at 1:02 a.m. on Monday in effect until Thursday at noon for ...

Parts of the country remain under cold weather advisories and freezing warnings today, as the NWS warns of dangerous wind ...

Portland and much of western Oregon can expect a chilly and sunny Saturday, followed by another night of frigid temperatures. The National Weather Service in Portland issued a cold weather advisory ...

Carlos Avila Gonzalez/San Francisco Chronicle via Getty Images(NEW YORK) -- Another display of the northern lights could be ...

The National Weather Service has simplified some of its winter weather alerts for Wind Chill and Extreme Cold Warnings.

Officials say they are prepared for potentially volatile federal policies and funding under the Trump administration ...

Officials say they are prepared for potentially volatile federal policies and funding under the Trump administration.

Two federal agencies oversee more than 32 million acres in the state, an area larger than the state of Kentucky, and federal ...

Officials say they are prepared for potentially volatile federal policies and funding under the Trump administration.

The alignment of Earth, the moon and the sun create these epic waves in oceans across the globe, raising tides feet above ...

Jacque Schrag/Axios While some parts of the U.S., especially along the Gulf Coast, are seeing a once-in-a-generation snowstorm, you have to go back decades — sometimes more than a century — to see all ...