
Brian Resnick
Former Science and Health Editor
Latest articles by Brian Resnick


Reinfections so far appear to be rare — and immunity is complex.


What is the probability of testing positive for Covid-19 before you get symptoms? Scientists really don’t know.

There are two ways to reach herd immunity for Covid-19: the slow way, and the catastrophic way.


The astronomers who observed them just won a Nobel Prize in physics.


The CDC now recognizes the coronavirus “can sometimes be spread by airborne transmission.”


The event is at least a stark example of what not to do during a pandemic.

An ideal coronavirus mitigation strategy versus what the White House did.

Before Trump tested positive, he came into contact with a lot of people.

How to make indoor air safer (but not necessarily safe) during the pandemic.


What could possibly survive on a blistering-hot planet?