Health & Science

Industrial growth and raw sewage in the region in the 20th century killed aquatic life in much of the Delaware River and surrounding streams.

Hidden beneath what looks, and smells, like much cleaner water are potential new dangers like plastics, pharmaceuticals and the impacts of climate change.

This map provides an interactive display of streams throughout Pa., N.J. and Del., showing which the states have declared unclean for swimming and fish consumption.

The rules would have allowed more employers to opt out of providing no-cost contraceptive coverage to women by claiming religious objections.

After establishing a nonprofit to help cancer patients in treatment, a Philly family is opening a community center to help caretakers and grieving family members.

Alzheimer’s activists hope a new federal law and $100 million in funding will spur earlier diagnoses in communities of color and better care for millions of patients.

A lot of domestic food companies are subject to inspections carried out by a parallel food safety system — a private one that's similar, and sometimes even tougher.

Last season, an estimated 80,000 Americans died of flu and its complications — the disease's highest death toll in at least four decades.

The National Science Foundation awarded Delaware $19 million over the next five years to fund research into improving water quality and reducing the impact of rising seas.

The more scientists learn about black holes, the more the findings confirm the warning: Speed kills. The black hole ASASSN-14li lie ...

Last year was the second rainiest on record in Philadelphia, with a total 61.6 inches over the year.

Science calls addiction a "brain disease," but critics say that label fails to show that addiction is a learning problem with roots in both biology and behavior.

Early reports indicate the price lists are virtually incomprehensible to people shopping for competitive prices.

Go to med school, earn an M.D. and the “Dr.” honorific gets tacked on to your last name. Some women — and Ph.D.s — say they get the courtesy title, and respect, less often.

While researchers are working toward a "cure," some stutters consider that prospect “a little bit eugenic” and say it’s time to embrace neurodiversity.