Health & Science

That means “that there will be more preventable cases, more preventable hospitalizations and more preventable deaths,” said Dr. Amesh Adalja.

The share of employed people working from home shot up from just 22% in 2019 to 42% in 2020, the Labor Department said Thursday.

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.

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

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

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

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.

N.J. Gov. Phil Murphy says he is “comfortable” with not implementing a mask mandate for schools this fall.

Noting that nearly all COVID deaths now are among people who haven't received shots, despite widespread vaccine availability, Dr. Vivek Murthy painted a worrisome picture.

The CDC reported 5,172 overdose deaths in Pennsylvania last year, a jump of 16% from 4,444 in 2019.

Several beaches were closed this week after medical waste washed ashore.