The new variant has been estimated to be 50% more transmissible. It's already been detected in at least 10 US states.

The new variant has been estimated to be 50% more transmissible. It's already been detected in at least 10 US states.

Experts weigh in on whether they will sit and eat at a restaurant.

Why the virus just keeps spreading – and what to do about it.

Social distancing can get tougher in the fall and winter. These simple steps can help keep you and yours loved ones healthy.

The wind will disperse some virus-carrying respiratory droplets, but not everything. Masks can make the difference.

Experiments in college classrooms show how tiny respiratory droplets known as aerosols can spread, even with good ventilation. The risk isn't the same in every seat.

Experiments in college classrooms show how tiny respiratory droplets known as aerosols can spread, even with good ventilation. The risk isn't the same in every seat.

Scientists explain what you need to know about the COVID-19 risks in the air, from how aerosols form to how to keep kids safe on a school bus.

The 6-foot rule for social distancing doesn’t account for all risks, particularly indoors. Here's what everyone needs to understand as cooler weather moves more activities inside.