A PLOS ONE study tested the real-world filtration efficiency of cloth masks, medical masks, and respirators, revealing large ...

It is easy to understand why the pro-Hamas gang likes to wear a mask: they want to conceal their identity from the police.

The lab has halted almost all of its regular work and is preparing to shut down in June. That’s because of the most recent ...

Mount Spurr, which scientists say is likely to erupt in the coming weeks or months, is about 80 miles west of Anchorage. But ...

Most Americans learned what an N95 mask was during the COVID-19 pandemic. But what many still don’t know is that every one of ...

Health care workers know from experience that only organizing will lead to enforceable standards and better conditions.

State health officials urge the public to take precautions as volcanic gas emissions — and volcanic smog known as vog — ...

Most Americans learned what an N95 mask was during the COVID-19 pandemic. But what many still don’t know is that every one of them was certified by a single, government-run lab in Bruceton, Allegheny ...

They secured what they needed to protect themselves and their belongings from corrosive ashfall, which can irritate eyes and lungs: KN95 masks, window-sealing tape and vehicle air filters.

Amid the recent measles outbreaks, the CDC said people should take precautions if they haven't been vaccinated.