Though statewide coronavirus mask mandates have expired, many people have opted to continue wearing them to keep germs and other airborne viruses at bay. And with face masks now a common wardrobe ...

Washington: Researchers have developed a new N95 face mask that can not only reduce COVID-19 spread but also kill the SARS-CoV-2 virus upon contact with it. The mask can potentially be worn longer, ...

For the second day in a row, the eastern U.S. was enveloped in a hazy beige smog that blocked the skies and sun of early summer. Countless tiny particles from the raging Canadian wildfires—measuring 2 ...