A newly discovered tooth hints at how the Chincoteague ponies got to America.
No one knows exactly what this will look like—only that it’s guaranteed to keep happening.
There are not enough humans to take care of all the animals.
The medication is approved until week 10 of pregnancy in the U.S. But the WHO says it can be safely used until 12 weeks, and activists have used it even later.
An experimental therapy helped patients with a rare disease feel better. It also led to an accidental makeover.
Five years ago, monkeypox made a leap—and most of the world ignored it.
Genetic testing is a routine part of pregnancy. Abortion restrictions are already shifting how doctors talk about the results.
No one knows exactly why hundreds of kids have shown up with hepatitis, but investigators have some ideas.
And an organ-transplant company has an unexpected solution.
Whatever happened to the simpler Greek-letter naming system?
Ancient DNA reveals unexpected twists in the history of this deadly disease.
Uptake of COVID vaccines for kids has been slow, but it has been slow for other vaccines too.
For many people, Epstein-Barr virus causes mild initial infection, but it is also linked to cancers and multiple sclerosis. What do we do about it?
The clearest way to reduce deaths is to push to vaccinate more of the elderly—yes, still!
The variant after Omicron could look very different from any yet.
The Bowlin family knew they had a history of malformations in the brain. But they had no idea how far back it went.
The staggering number of infections among the vaccinated is changing Americans’ pandemic mindset.
Nobody wants to mandate business closures, but so many people are getting sick that businesses are closing anyway.
“You just put a bottle of unsweetened Everclear on the cage and they love it.”
We’ve been making the same errors for nearly two years now.