3 shark attacks off Sydney in just over 24 hours; man, boy in critical condition

Three shark attacks in 24 hours leave a man and a 12-year-old critically injured and another boy unharmed at Sydney beaches. Here’s what we know.

Largest male great white shark ever recorded pinged off New Jersey coast

The white shark is most likely on the move back down to Florida where waters are warmer and there are more food sources, but well have to see where he shows up next.

Shark bites swimmer in San Pedro
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A swimmer is recovering at the hospital after being bitten by a juvenile shark.

Man dies in shark attack at Sydney beach

A man in his 50s was killed by a large shark while surfing at a beach near Sydney, Australia on Saturday.

Largest shark ever tagged by research group spotted off Florida coast

Researchers are tracking what may be the largest male white shark ever tagged by OCEARCH, with recent signals coming from off Florida's east coast near Jacksonville.

Scuba divers have 'once-in-a-lifetime' close encounter with great white shark near Catalina

Scuba divers near Catalina had a rare and thrilling encounter with a 15-foot Great White Shark, capturing the moment on video as the shark calmly circled them before swimming away.

Sharks test positive for cocaine off Brazil's coast

Sharks have tested positive for cocaine off Brazil’s coast, according to a new scientific study.

Woman attacked by shark in South Padre: ‘I thought it was a big fish’

A Texas woman recalls her terrifying escape from a shark attack on South Padre Island. The shark bit her left calf off. "My leg is pretty much gone."

Shark Watch: What to do if you see a shark at the beach

The director of a renowned shark research center in California shared how to stay safe and the importance of not panicking if you encounter a shark at the beach this summer season.

Shark attack off Hawaii's Oahu island leaves woman seriously hurt

Also Friday, reported back-to-back shark attacks led authorities to temporarily close beaches to swimmers in Walton County, on the Florida Panhandle.

Man hospitalized after shark attack in SoCal
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A man was hospitalized after being attacked by a shark off the coast of Del Mar in the San Diego area.

Shark attacks swimmer in Del Mar

The 46-year-old man suffered bites to his torso, left arm, and hand, officials said.

Surfer survives shark encounter in Orange County

Sharks displaying “aggressive behavior" in Orange County waters has triggered the closure of ocean access to the public in San Clemente, according to officials.