Science

While the president mentioned energy in his first State of the Union speech Tuesday night, he offered few details about his energy priorities.

The refinery is Philadelphia’s single largest generator of particulate emission air pollution, according to city data.

Dr. Brenda Fitzgerald, director of the Centers for Disease Control and Prevention, resigned Wednesday following reports that she bought shares in a tobacco company.

Many environmentalists say his record, so far, has been disappointing.

On Wednesday, January 31st, don’t miss the Super Blue Blood Total Lunar Eclipse Moon! This lunar event means that the second full m ...

Gov. Wolf said Friday he never made a campaign pledge to join the Regional Greenhouse Gas Initiative —a market-based effort among northeastern states to limit carbon emissions

A proposed coal mine is moving forward in southwestern Pennsylvania after its operator reached a settlement with an environmental group.

Meet the red handfish, a name that reflects the hand-shaped fins on the sides of its body. The striking creature doesn't really swim — it "walks" slowly along the sea floor.

Scientists might have found a new way to combat white-nose syndrome, a disease caused by a fungus killing millions of bats in the U.S. and Canada.

“I don’t know if there’s a smoking gun here but there sure is a lot of smoke,” said Eric Friedman, a Delaware County landowner.

Chrissy Tashijan of the band Thin Lips had paralyzing agoraphobia. Music prevented her world from getting smaller and smaller.

Biologists and musicians are still wondering a question that goes back more than a century.

While one big hurdle has now been cleared, the details of how safe injection sites would actually work in Philadelphia have yet to be figured out.