President Trump's EPA administrator aims to roll back environmental protections in an effort to reduce the agency's spending.

The rate at which the planet is warming has sped up since 2010, and now researchers say that China's efforts to clean up air ...

Ultrafast electron imaging reveals never-before-seen nuclear motions in hydrocarbon molecules triggered by light. The ...

The effects of childhood exposure to poor air quality may be small for the individual, but at a population level, they could ...