The study found that 28 of the 85 shark samples analyzed had tested positive for at least one of the substances.

Goodall, an adult female white shark, is on the move, and she's hanging out in a spot that is surprising researchers for this ...

The crystal-clear blue waters of the Bahamas, a paradise for tourists, are also home to sharks — and a new study suggests these sharks are being exposed to drugs. Researchers in Brazil and Chile ...