The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health ...

British scientists have created the world’s smallest violin – inside a human hair. Physicists at Loughborough ... how materials behave at the smallest scale. The system will support a variety ...

When a beam of infrared light strikes their ultra-thin lens—barely thicker than a red blood cell—it emerges on the other side ...

So I'm simplifying that mess in this straightforward TV buyers guide, breaking down specs like QLED and OLED lighting, 4K ...

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most ...

The natural marvels, which do everything from enabling acrobatic flight to insulating against Antarctic cold, continue to ...

The British painter has dedicated her career to depicting human flesh, especially that of women, with deep empathy.

As of early Thursday, the air quality for much of northeast Illinois, including multiple suburbs to the north and some to the ...

Smoke from the Canadian wildfires​ will be visible in the Philadelphia area, but no major impacts on air quality are expected ...

A new study led by researchers at the Universities of Oxford, Cambridge and Manchester has achieved a major advance in ...

An air quality alert remains in effect for the entire Chicago area, with another "Air Pollution Action Day" alert declared as ...