Extreme heat warnings and heat advisories were issued across parts of the U.S. Southwest and Pacific Northwest on Friday.

Air quality alerts have been issued in 20 states from Missouri to Massachusetts. Wildfires burning in Canada are continuing to create poor air quality conditions in the U.S. as the smoke makes its ...

Anna Skinner is a Newsweek senior reporter based in Indianapolis. Her focus is reporting on the climate, environment and weather but she also reports on other topics for the National News Team.

President Trump’s efforts to downsize the government threaten essential functions that Americans have come to rely on before, ...