Add Yahoo as a preferred source to see more of our stories on Google. Air pollution is a serious and often underestimated health threat in the U.S. It is linked to over 50,000 premature deaths each ...

Scientists have found “strange quarks” that originated as virtual particles that sprang from nothing Quantum physics paints a strange picture of the world, one filled with spooky connections, ...

Researchers at WashU determined the concentration of submicron particulate matter over the United States, with the darker red areas holding higher concentrations. These are the smallest particles of ...

Air pollution causes health problems and is attributable to some 50,000 annual deaths in the United States, but not all air pollutants pack the same punch. Scientists have tracked the scope of “PM 2.5 ...