Jupiter's moon Io stands alone among the solar system's moons. It has more than 400 active volcanoes, and its surface is home ...

Urban smog poses a significant, often overlooked threat to eye health, leading to chronic dry eye, irritation, and ...

While the Spokane region largely got its carbon monoxide problem under control in the late 1990s, it wasn’t until this year ...

After months of work and political wrangling over potential legal impact, a new, small network of air sensors began ...

The plastics industry and environmental advocates have radically different ideas about what chemical recycling is, does, and how it should be regulated.