Mysterious tar balls washed up on several Florida beaches, forcing closures and triggering an investigation by the U.S. Coast ...

Mysterious tar balls are washing ashore in South Florida. Beachgoers are advised to be cautious, as the sticky substance can cling to their feet. FORT LAUDERDALE, Fla. - People visiting the Sunshine ...

Palm Beach's chief lifeguard confirmed the tar balls were spotted along the town's Atlantic Ocean coastline. Their origin is unclear.