Q: We live in the fire zone in Altadena, California. After the evacuations ended, we came home, and now my throat is ...

Some people living in parts of South Carolina have been told to keep their windows and doors shut on Wednesday. Here’s what to know.

There are practical challenges to running a controlled experiment to test the effects of plants on local air pollution levels. Barbara Maher, an environmental researcher at the University of Lancaster ...

For the first time in at least 20 years, Jefferson County was under a “Code Red” air quality alert Tuesday, according to the Jefferson County Department of Health.

A new study shows how the brain learns to let go of unnecessary fears, offering potential new ways for treating conditions such as anxiety, PTSD and phobias. Published in the journal Science, it ...