There is a lot of information about coronavirus vaccines out there, and some of it seems vague or contradictory. We talked to experts to help answer some of the most common and confusing questions.

Diagnosed with HIV before her wedding, Bupe Sinkala didn't tell her husband and saw her marriage — and life — crumble. Now she's a community health worker advocating for her unsung profession.

Volunteers for the trial put an arm over a box with hundreds of mosquitoes carrying a genetically modified malaria parasite. Here's why they did it that way — and why the trial holds promise.

We crunch the current numbers for high-risk and low-risk groups. We also look at how the risk of monkeypox compares with chances of catching COVID, of being in a fatal car crash and of a shark attack.

in an exclusive interview, the 5-time Grammy award-winning Beninese singer talks about her music, her activism and the honor of performing at the 1,000th Tiny Desk Concert ("I'm speechless!")

Perspiration can be a stinky nuisance as temperatures climb, but scientists say we shouldn't sell sweat short. There's so much more to the briny stuff than meets the eye.

These days the world of at-home testing for COVID-19 is confusing. How often do I need to test to see if I'm really positive — or negative? Does a faint line mean I'm less contagious?

The FDA issued revised guidance about how often to test after exposure to someone with COVID or after symptoms occur. It's not exactly the same as what the CDC says. What's the best way to proceed?

The Museum of Modern Art shows the colorful works of Frédéric Bruly Bouabré, a prolific artist from the Ivory Coast who documented his Bété culture — and even created a pictograph language.

Just as human counts are incomplete, so are animal counts. But the first worldwide compilation of animal cases is a start at understanding the extent of human-to-animal transmission, scientists say.

The ancient disease is still a killer. And even though there are new drugs, there's a growing rate of antibiotic-resistance cases. Here's a look at the latest strategies to tame typhoid.

On top of schoolwork and chores, these four Girl Up "teen advisers" sometimes give up their favorite hobbies to try and "save the world." They talk about their activism — and their role models.

This summer, artisans from Kenya, Mongolia and Uganda shared the story of their centuries-old traditional crafts — including the art of "barkcloth," declared a UNESCO world heritage "masterpiece."

It's called visceral leishmaniasis. It's spread by sandflies and fatal if left untreated. Fortunately, a new drug regimen holds promise.

For centuries, scientists and historians have wondered where the Black Death — the deadliest pandemic in recorded history — came from. New research sheds light on the ancient disease.