Two environmental engineers describe potential transmission pathways of COVID-19 and their implications, including the need for more quantitative virus research.

"If we can [get a] result faster, that also protects our friends and loved ones... who are going into the clinic. My best friends are going to war."

Pregnant in the time of COVID-19? An expert in maternal-fetal medicine weighs in: "Expecting parents should prepare to be home for several months."

A 19th-century outbreak of yellow fever in New Orleans created an elite class while it also "exacted a devastating social cost for large swaths of society."

Endangered apes also face the threat of COVID-19. And they'll need our help to stay safe and avoid extinction, experts warn.

If you find yourself asking "Do I have COVID-19?" consider this free online tool that sorts people into high, intermediate, and low risk.

Researchers are working to find drugs that can fight the novel coronavirus that causes COVID-19. Find out what they're doing and why they're optimistic.

You know that washing your hands is one of the best ways to prevent infections with bacteria and viruses. But how does soap work?

"We determined that SARS-CoV-2 originated through natural processes by comparing the genetic sequences and protein structures of other coronaviruses to those of new virus..."

Millions of Americans face risk of COVID-19 exposure at work, either weekly or monthly, new research indicates. It's not just health care workers, either.