Health & Science

Covid infections and hospitalization are increasing, towns and cities are reinstating mask mandates, so why is half of the country still choosing not to get the vaccinated?

Just north of Delaware’s popular beach resorts, the Delaware Bayshore’s value economically and environmentally shouldn’t be underestimated, a new report shows.

Language is how we connect — to each other, to the past, to the future — how we create culture, communicate ideas, and make decisions ...

Charise Isis aims to capture 800 portraits — one for every breast cancer diagnosis the U.S. records each day. Her newest batch includes patients from Philly and Wilmington.

The current COVID-19 surge in the U.S. will steadily accelerate through the summer and fall, peaking in mid-October, with daily deaths more than triple what they are now.

In addition to urging residents to get vaccinated, Philly health officials strongly recommend that everyone — including those fully vaccinated — wear masks in public spaces.

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

The ACA requires most insurers to cover a list of FDA-approved birth control methods for free. But insurers often make it hard for women to get the products they want.

The CDC says COVID-19 was the largest factor, along with drug overdoses, homicides, diabetes and chronic liver disease.

A cloud of pollution has descended on the Eastern Seaboard. We explain what’s behind the haze, and how to protect yourself.

The American Academy of Pediatrics recommended all students over 2 years old, along with staff, wear masks, regardless of whether they have been vaccinated against COVID-19.

At DEP's request, Sunoco has halted work on a section of line.

Two federal agencies issued the highest warning to Americans against traveling to the United Kingdom and four other countries due to rising COVID-19 cases.

Journalist Sarah Everts talks about the science of sweat -- how it helped us evolve and why this natural function is still embarrassing. Her new book is "The Joy of Sweat."

The Amazon founder was accompanied by a hand-picked group: his brother, an 18-year-old from the Netherlands and an 82-year-old aviation pioneer from Texas.