In Philly, the 250th birthday of a fragile nation was celebrated with pomp and sweat. Then came the storm.

An unscheduled and dramatic light and sound show — this one produced by nature — interrupted Philadelphia’s July Fourth ...

A Bird’s Brain Holds Clues to the Sounds of Music

The neurobiologist Erich Jarvis studies the few species capable of speech. He has long hoped to genetically engineer an ...

Philly finished its July 4th concert and fireworks after a lengthy storm delay; city celebrated nation's 250th in extreme heat

What you should knowPhiladelphia's July Fourth concert and fireworks on the Benjamin Franklin Parkway resumed following a ...