An American who was attacked by a "gigantic" shark off Australia's coast early Wednesday admitted she felt "very lucky" after suffering only minor injuries.
Researchers at Mote Marine Laboratory say sharks could potentially save millions of lives.
Tracking of Great White sharks reveals surprising facts. John Rogers reports.
A Florida kite surfer is bitten by shark while surfing off the coast of Delray Beach, Florida on Saturday.
When a fisherman caught a bull shark recently off the Florida Keys, he came across an unlikely surprise: One of the shark's live fetuses had two heads.
Several beaches along South Florida's Atlantic coast line were closed after thousands of sharks were seen migrating in the waters.
Tiger sharks seen splashing just a few yards from shore.