Health & Science

The CDC changed its guidance, saying that people can return to regular activities if their symptoms are mild and improving and it's been a day since they've had a fever.

How did a brilliant teenage physicist working on the Manhattan Project get away with spying for the Soviets? And why did he do it?

According to the latest CDC data, only 13% of U.S. children have gotten the new shots and about 22% of U.S. adults have.

When apes diverged from monkeys, our branch of the tree of life shed its tail. From Darwin’s time, scientists have wondered why — and how — this happened.

With 93% of Philadelphians being up-to-date on the MMR vaccine, the department said the outbreak did not spread far.

Residents with private wells in parts of Montgomery County have relied on bottled water or filtration systems since the 1990s.

In addition to the planned micro-hospital at the former Jennersville campus, ChristianaCare is now looking to build two “micro-hospitals” in Delaware County.

Eco-friendly funerals are popular. We'll talk about composting, green burial and the death industry. Plus, do you speak whale? Exploring new research on whale communication.

Jim Alturo, of Cinnaminson, N.J., is donating one penny to the American Lung Association for every cigarette butt he picks up.

We explore bodies donated to science — how they’re used, why they’re so important, and why people make this choice for their remains.

The area currently has the highest positivity rate for norovirus, which causes vomiting, diarrhea and stomach cramps.

The Houston-based company hopes to make the first successful commercial landing on the lunar surface. It would also be America's first soft landing in decades.

Nemours Children’s Health’s pediatric services will be embedded in Delaware County's four-hospital system.

Delaware’s health care benefits have run deficits for years. The state spends about $2 billion on health care annually.

Community members met at the New Kensington Community Development Corporation to discuss using settlement funds toward home repairs, eviction and foreclosure prevention.