Many American public-health specialists are at risk of burning out as the coronavirus surges back.
The disease’s “long-haulers” have endured relentless waves of debilitating symptoms—and disbelief from doctors and friends.
The coronavirus is coursing through different parts of the U.S. in different ways, making the crisis harder to predict, control, or understand.
There’s no clear evidence that the pandemic virus has evolved into significantly different forms—and there probably won’t be for months.
A guide to making sense of a problem that is now too big for any one person to fully comprehend
The fight against the coronavirus won’t be over when the U.S. reopens. Here’s how the nation must prepare itself.
How the coronavirus travels through the air has become one of the most divisive debates in this pandemic.
The U.S. may end up with the worst COVID-19 outbreak in the industrialized world. This is how it’s going to play out.
We’ve known about SARS-CoV-2 for only three months, but scientists can make some educated guesses about where it came from and why it’s behaving in such an extreme way.
The country is not aiming for 60 percent of the populace to get COVID-19, but you’d be forgiven for thinking so based on how badly the actual plan has been explained.
The planet’s tallest animal is in far greater danger than people might think.
A solar storm can throw whales off-course, suggesting that the large animals might have an internal compass.
Giant phages have been found in French lakes, baboons from Kenya, and the human mouth.
Nature is clearly in crisis—but what do researchers do when they only have imperfect data on the extent of the losses?
New diseases are mirrors that reflect how a society works—and where it fails.
Here’s what the oft-cited R0 number tells us about the new outbreak—and what it doesn’t.
Lab-grown glands can now produce realistic cocktails of toxins, which could help address one of the world’s biggest and most neglected health crises.
The bushfires were a disaster waiting to happen for animals already fighting for survival.
They perceive depth in a very different way than we do.
Unlike many other gaudy animal ornaments, the red-and-orange heads of coot chicks are honest indicators of weakness and vulnerability.