Health & Science

Deemed the most ecologically sensitive, Category One waterways are protected against any degradation in water quality.

One western Pa. site has arsenic counts 372 times the 'safe' level.

Beth Moses, Astronaut Trainer for Virgin Galactic, flew aboard its latest test flight as its first passenger. The VSS Unity flew into spa ...

Chester residents have been dealing with the health effects of trash incineration in their community, and an influx of plastic waste has reignited the debate.

The EPA's announcement is a step in the right direction, but only addresses these two chemicals in drinking water and a new federal standard won’t be implemented for years.

Tens of millions of dollars are on the line as third-party suppliers dispute Board of Public Utilities’ order not to increase fixed rate during a term of contracts.

Giving nuclear power plants what opponents call a bailout to ensure they stay open could mean a politically risky vote to hike electric bills across the state

There was a time when coal was king in the home-heating business. In 1940, more than half of U.S. homes burned coal, according to the Census Bureau.

Organs that once would have been rejected were successfully used in uninfected patients by Penn surgeons in a clinical trial.

Senator Robert Singer has proposed establishing a registry in the N.J. Department of Health that would track any adverse reactions experienced by children under the age of 19.

Scientists say images of craters taken by European and American space probes show there likely once was a planet-wide system of underground lakes on Mars.

Anxiety about side effects can keep people from starting or sticking to drug regimens or medical procedures.

The Allegheny County Health Department gave the company five days to respond with a plan to reduce emissions at Clairton Coke Works and its Edgar Thompson and Irvin plants.

A survey finds that many people have skipped or rationed their prescription medications or have substituted cheaper over-the-counter drugs.

Over the past decade, William Happer has waged a fierce campaign aimed at debunking fears of global warming caused by emissions of carbon dioxide and other greenhouse gases.