Whether being worn, piled up in trash bins, or scattered as litter in gutters and city streets, one of the most enduring symbols of the COVID-19 era is the billions of disposable face masks that ...

With U.S. Covid-19 cases at very high levels and new vaccines still several weeks away, we asked experts for their advice on when and where to wear a mask. By Ceylan Yeğinsu and Dani Blum It is the ...

Masks saved an untold number of lives during the COVID-19 pandemic, but now, the resulting plastic pollution from those masks is concerning scientists. A new study found that disposable face masks, or ...