Members of the African American Mayors Association started noticing last year declines in violent crime in their cities. But, ...

Burgoyne, officially known as the mascot's best friend, works up a mighty sweat dancing on dugouts during Philadelphia's ...

In San Francisco Bay, salt ponds created more than a century ago are reverting to marshland. Along the New York and New ...

The explosion this week at U.S. Steel's Pittsburgh-area plant has reignited debate about its future. The Clairton plant is ...

Humanoid robots raced and punched their way through three days of a multi-sport competition at the World Humanoid Robot Games ...