Science

Primatologist Frans de Waal discusses his new book, "Mama's Last Hug" about wide range of emotions that animals display.and what they tell us about ourselves.

The Earth is sick with multiple and worsening environmental ills killing millions of people yearly, a new U.N. report says.

Three Mile Island Alert is asking federal regulators to analyze what the group calls a “potentially dangerous and risky condition” at Exelon's Three Mile Island plant.

Energy Transfer says the probe into the construction of the Mariner East pipelines "has no legitimate basis."

The partial meltdown at Three Mile Island left areas of the facility highly radioactive and inaccessible to humans. Along came a young group of researchers and robots.

The Pennsylvania Department of Environmental Protection has reached an agreement with an Alabama company over the costs of plugging 1,400 abandoned wells in the state.

The interim report foresees a ‘massive’ construction project costing ‘several billion dollars.’

Imagine what might happen if the government itself had embraced an official anti-vaccine policy.

Pennsylvania is looking for new ways to fight the invasive spotted lanternfly, nearly five years after it was first discovered in Berks County.

The Atacama desert in Chile is one of the most arid places on the planet – averaging less than one inch of rainfall per year! High ...

French journalist Jacques Tiziou left behind thousands of collectors’ items related to space travel. His son is cataloguing the artifacts, and hopes to share them.

The trace fossils, as they are known, are scattered along a winding trail at Valley Forge National Historical Park, on slabs purchased in 2011 from a nearby commercial quarry.

The district attorney's probe of the Mariner East project began in December.

When flames started to burn down the hill toward his family ranch, Charlie Lovick saw his chance: He kept a cool head and took action.

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