Science

As more people take drugs to reduce their appetite and lose weight, including GLP-1s, some restaurants are beginning to offer smaller portions.

The company plans to manufacture a rare, radioactive isotope for use in cancer treatment trials starting in 2029.

AI data centers have been blamed for higher electricity bills.

Toxic PFAS chemicals are found in hundreds of everyday products, including cosmetics, menstrual products, dental floss and items for babies.

The American Lung Association says the Philly area is among the worst in the country for levels of a pollutant that can cause lung and heart issues.

America’s power grid is buckling as energy demand soars. Fuel shocks from the war in Iran are only exacerbating concerns. So how do we keep the lights on?

Gallup polls show American support for nuclear energy has not been this high in more than a decade.

Forty years later, a look back at what caused the Chernobyl disaster, and its continued impact on nuclear safety.

Lawmakers held a hearing Wednesday on a resolution that pits the state Legislature against Gov. Mikie Sherrill over climate-driven flood rules.

Proposed NIH cuts in the Trump administration's budget are again getting bipartisan pushback in Congress. Can the US maintain a global edge if researchers are left scrambling?

Five decades after the original Earth Day, some Pennsylvania species are still at extreme risk.

Unfit for pantry shelves, hundreds of pounds of produce are redirected to a Jamison farm, where the chickens’ “salad bar” curbs waste, cuts costs and helps fight hunger.