They already face the highest rates of asthma-related mortality in the nation. Dirtier air will make that worse.

By Dr. Priyom Bose, Ph.D. Tracking nearly 30,000 older Americans over eight years, researchers show that long-term exposure ...

The primary pollutant in Milwaukee on Monday is PM2.5, which can be caused by wildfire smoke, vehicles and power plants.

Ants send messages to colony members through odor compounds that contain alkenes, chemicals that help nestmates recognize one ...

A Code Orange air quality alert has been issued for south-central Pennsylvania, including Lancaster County, beginning on ...

A research team from the Max Planck Institute for Chemical Ecology has shown in a new study that ants returning from habitats ...

Exposure to air pollutants such as particulate matter and nitrogen dioxide may increase the risk for rheumatoid arthritis in ...

Last year, an explosion at U.S. Steel’s Clairton Coke Works outside Pittsburgh killed two U.S. Steel workers and injured 11 others, including contractors.

The EPA has repealed a key climate finding and changed how it weighs pollution's health impacts. Experts and patients say the shift could affect air quality and public health.

Are you spending more time inside this winter? Consumer Reports says improving indoor air quality can make a real difference.