A new pattern in shark behavior has experts sounding the alarm, and it may have everything to do with an overheating planet. Bull sharks are known to be able to swim between saltwater and freshwater, ...

Jacksonville University announced what may be a first for St. Johns River research. JU said that on June 9, its Marine Science graduate students made a scientific recording of a bull shark in the St.

The southern portion of the Mississippi River is famously associated with alligators. These ancient reptiles dominate the ...

No one expected to see this—an actual bull shark caught on camera miles from the ocean. The footage captures every ...

Sharks in rivers sound like urban legend, yet bull sharks—one of the most aggressive marine predators—have been confirmed in the Mississippi River.

A Grafton chiropractor who goes night fishing to unwind after a hard day’s work has reeled in a massive bull shark he has ...

Climate change is bad news for almost everyone. Emphasis on almost, because believe it or not, one marine species is absolutely thriving as the Gulf warms: Bull sharks! Get ready for some shark ...

A bull shark killed a woman swimming off a remote beach in Australia's eastern state of New South Wales Thursday while a man was seriously injured and may have been saved by the "heroic" efforts of a ...

An amateur wildlife photographer was on the lookout for birds when she noticed a crowd building on a popular pier on the ...

Shark attacks are rare in ocean-loving Australia, and most serious bites are from three species: bull sharks, great whites, and tiger sharks, according to a national ...