Health & Science

Older U.S. east coast cities are leaking nine times as much natural gas into the air — from homes or pipes heading into houses — than the federal government had thought.

Philadelphia officials said the death of a man in his 70s in West Philadelphia on Saturday was attributed to the heat, when temperatures hit 97 degrees.

The regal fritillary, a rare butterfly that’s nearly disappeared from the eastern United States, has found refuge in a surprising place — a National Guard training center.

The FDA recently approved a procedure to ease the trembling caused by Parkinson’s that doesn’t involve invasive surgery and cutting into a patient’s head.

Kim Stringer has struggled with mental illness for a decade, but her parents can't get her committed. Why a recent change in state law meant to help doesn't go far enough.

The authors of a new study say dental health is especially bad in low- and middle-income countries.

Twenty states now require sexual abuse prevention education as early as preschool. Educators say it's up to adults to know the signs and symptoms of abuse.

Ever since astronaut John Glenn's first bite of applesauce in 1962, eating in space has been a challenge.

The National Weather Service said "a dangerous heat wave" sent temperatures into the 90s, with high humidity that made it feel considerably hotter.

When you have a serious health problem that calls for surgery, the last thing you need is the stress of navigating the health care system to find a skilled surgeon.

Motion pictures went to the moon long before Apollo 11 did, and they keep going back.

In the early 1960s, NASA was considering different ideas for landing a man on the lunar surface. Houbolt's plan ultimately won despite concerns within NASA that it was risky.

The hospital's lawyers could not agree on a closure plan with city and state health officials in time for Friday’s scheduled hearing, and the matter was pushed to next week.

An environmental organization and the U.S. Navy teamed up Tuesday to deploy one million oysters at a "living shoreline" at Naval Weapons Station Earle on the Jersey coast.

It's used to make cleaner-burning gasoline in about four dozen refineries in the U.S., including two in Philly region.