As Covid-19 spreads, the pressure is on for drugmakers to get a vaccine to market. But it's not that easy.

How it works, why we need it, and why it's taking so damn long for the US to get people diagnosed.

An online furor over whether it’s safe to use the fever reducer reveals how people are sharing incomplete—and sometimes bad—information.

The old malaria drug is getting used against the coronavirus. Tech enthusiasts are abuzz. One missing step: clinical trials.

A 100-year-old way to beat disease could help researchers figure out how to harness the antibodies from earlier patients to help the newly infected.

US Food and Drug Administration officials approved nationwide tests of two treatments, both derived from the blood of people who have survived the disease.

While it might seem wasteful to test the seemingly healthy, tracking antibodies could show how widely the virus has spread—and who may now be immune.

As health care workers prepare for surges of Covid-19 patients, they must grapple with the ethics of rationing critical medical gear.

How many people have been infected with the new coronavirus? A group of Bay Area researchers aims to find out—by tracking what's in the local wastewater.

New studies suggest that children still fare better than adults. But  babies, toddlers, and kids with other conditions remain at risk.

The study of the surreal has mostly concerned Dali's paintings and Kafka’s writings. But there are psychological reasons why every day seems so otherworldly.

You're not the only one who finds #quarantinebaking so soothing. Turns out, it has a lot to do with the neuroscience of mindful meditation.

As the coronavirus spreads, unhoused people are among the most vulnerable to infection.

Even during a pandemic, people still need to deliver babies and get medical care. With little guidance, they face difficult choices.

Utilities and grid operators are well-prepared to handle the pandemic, but a second wave of the virus later this year could be disastrous.

To swap out the spent uranium rods, hundreds of technicians from around the country must work in close quarters for weeks. That’s a challenge during a quarantine.

Epidemiologists are using complex models to help policymakers get ahead of the Covid-19 pandemic. But the leap from equations to decisions is a long one.

Singapore, Hong Kong, South Korea, and Taiwan had flattened the curve. Then travelers from the US and Europe began reimporting the virus.

Using beams of X-rays and electrons, researchers are creating a moving model of the coronavirus in order to discover its weaknesses.

Consumer genomics company 23andMe wants to mine its database of millions of customers for clues to why the virus hits some people harder than others.

Images taken from space are providing details to governments and relief efforts about how humanity is handling the Covid-19 crisis.

A fabric face covering won't protect you from getting Covid-19, but might help prevent you from spreading the virus if you must leave the house.