Science

On the 150th anniversary of the world’s first call, we look back at how the telephone changed the world.

Gardeners learn how to be more sustainable while adapting to climate change during the Philadelphia Flower Show.

Severe erosion is threatening the Jersey Shore's 2026 tourism season. Local leaders are looking to federal aid to restore coastlines before Memorial Day.

The invasive Hessian fly spurred suspicions of biological warfare, threatened the new nation’s economy and inspired the nation’s first citizen science project.

The state spent $4 million to remove hazards at 30 homes. There’s only enough cash left to do work at a tiny fraction of contaminated properties.

We explore the inner lives of animals, from pain in lobsters to odd-couple friendships to empathy in baboons.

President Trump said in his annual State of the Union address that he made deals with data centers to tamp down electricity costs for consumers. But there are few details.

Critics say investor-owned utilities, which enjoy a monopoly, earn too much at the expense of ratepayers. PECO says the increased rates fund needed infrastructure upgrades.

Since the outbreak's start in 2022, about 14.6 million birds in Pennsylvania have died from the virus. Roughly half of those cases occurred in the first two months of 2026.

We talk with lawyer-turned-researcher James Kimmel about his book, "The Science of Revenge: Understanding the World's Deadliest Addiction — and How to Overcome It."

More than 1,100 dead or sick wild birds were reported in New Jersey within three days. No human cases have been reported.

The network will offer hourly air quality index updates posted to a new website, Breathe Philly.

Skip the roses this Valentine’s Day, and grab your binoculars and a field guide for science, with this weekend's Great Backyard Bird Count.

Zoo staff say the female hawk and female turkey vulture share food, preen each other and have even attempted to raise eggs.

We take a look at the science of love — from what fuels attraction, to the “secret sauce” of compatibility.