Health & Science

Philadelphia District and union officials voiced support for a full reopening under new CDC recommendations that distancing shouldn’t be a barrier for bringing students back.

Big bodies are good for cold places.

That's the gist of a foundational rule in ecology that has been around since the mid-1800s.

Left to their own devices, viruses are pretty much helpless. They need cells to infect in order to replicate. But they’re sneaky — ma ...

"No matter what study you look at, the protection against severe disease leading to hospitalization is always well within the 90%, regardless of the study," Fauci said.

They said that another shot within 12 months could dramatically boost immunity and maybe help ward off the latest worrisome coronavirus mutant.

After months of data collection, scientists agree: The delta variant is the most contagious version of the coronavirus worldwide.

Philadelphia native Lamar Reed interviews his peers to find out how they feel about getting vaccinated.

According to the New Jersey Department of Health, over the past four weeks, vaccination rates are up 9% in Ewing, 15% in Perth Amboy, and 11% in Passaic.

The good news is the vaccines being used in the U.S. all appear to be highly effective at protecting against serious disease, hospitalization and death.

Parts of the Delaware still suffer from low oxygen levels, according to a Univ. of Delaware prof who recently wrote a book on the topic.

Humans have been obsessed with Mars for thousands of years, but it wasn’t until the mid-20th century that we began to have actual break ...

Marine biologist Helen Scales on the deep ocean and its strange and wondrous inhabitants and the threat climate change, pollution and deep sea-mining pose.

Are vaccination rates in themselves a sign that the worst is over? WHYY’s Health Desk Help Desk asked about the numbers.

The Centers for Disease Control and Prevention estimates that more than 3,900 people die from unintentional drowning in the US each year — with one in five under 14-years-old.

Tick-borne diseases are at an all-time high, with about 50,000 cases reported each year — and far more going unreported.