Science

A new sinkhole appeared late Sunday at a Sunoco pipeline site in Chester Co. where several earlier sinkholes led officials to halt construction because of safety concerns.

The moon, Earth and sun will line up this weekend for the only total lunar eclipse this year and next.

China's state-run Xinhua News Agency announced the news, simply stating: "The experiment has ended."

Despite the forecasted blast of arctic air heading our way Sunday – bundle up and brave the cold because the next opportunity to ta ...

A 4.7 magnitude earthquake struck off the Maryland coast Tuesday evening, according to the United States Geological Survey. 

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 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.

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.

It was another good year for New Jersey’s bald eagles, a study released by the New Jersey Division of Fish and Wildlife found.

Scientists discover more evidence that suggest female artisans 1,000 years ago were not as rare as previously thought.

NASA’s New Horizons spacecraft continues its sojourn through the outer reaches of our solar system. For the next 20 months, it will ...