Getting COVID-19 when you’re vaccinated isn’t the same as getting COVID-19 when you’re unvaccinated.
Human actions have turned a usually beneficial fungus into a bringer of death.
Will splitting monkeypox vaccines in five work out?
Hunkering down for the winter helps bats cheat death. But doing so comes at a steep cost.
The U.S. has declared (another) public-health emergency. An expert weighs in on whether we might botch this one, too.
It may be getting better at dodging one of the immune system’s main defenses.
Deer almost break their bodies to build antlers each year, and scientists still don’t really know why.
Has COVID taught us nothing?
Scientists have known for decades that some people can be resistant to HIV infection. Why not the coronavirus, too?
The most notable feature of the president’s illness is that he evaded COVID for this long.
For some species, getting eaten alive may be a small price to pay for passing on your genes.
Respiratory-virus season starts soon, and our autumn vaccine strategy is shaky at best.
The endless churn of variants may not stop anytime soon, unless we do something about it.
Step 1: Dig tunnel. Step 2: Cultivate roots. Step 3: Profit.
Interspecies mating has long been thought of as a mistake. But in the desert, it may sometimes be the best way to breed.
The Arctic can stay perpetually dark for months. Reindeer cope by changing part of their eyes from gold to blue.
For the first time, COVID vaccines are getting an update in the U.S. But Americans still need to be persuaded to take them.
It’s long past time to forget them all.
If the virus finds a new animal host, it could settle in for the long run—and cause more outbreaks in the future.
Most frogs can jump and land with the precision and grace of an Olympic gymnast. And then there’s the pumpkin toadlet.
Monkeypox is very different from COVID—and will require a very different vaccination approach.