Should immigration agents be allowed to wear masks during raids and arrests? Minnesota's Attorney General says no and is ...

The claims that mask wearing limits oxygen and leads to CO2 ... But the same effects are not likely in people wearing cloth face masks, especially for the brief amount of time they are ...

A brief primer on a controversial tactic. ... wearing a mask is only deemed illegal if the person is committing another crime or impinging on someone else’s constitutional rights.

If a mask gets wet or damp while you are wearing it, it’s less effective, she said. Other experts said worries that fabric masks won’t offer enough protection were misguided.

Fan cam footage from Sunday's NFC game appears to contradict Gov. Gavin Newsom's claim that he only took off his mask to take a photo with basketball legend Magic Johnson.

Dr. Lakdawala expressed hope that as other pandemic restrictions eased, people might find a brief period of mask-wearing, in certain high-risk situations, less onerous.

According to a report, Apple is fixing Face ID so it will allow users to unlock their devices while wearing a mask. The updated iOS will bring the passcode feature back to the lock screen.

A prominent French doctor working with Wu in Manchuria pointedly went against Wu’s call for mask-wearing. He died days later from the disease. It’s because of Wu that face masks became so ...