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.

No one expected to see this—an actual bull shark caught on camera miles from the ocean. The footage captures every heart-pounding moment as this powerful predator surfaces in freshwater. It’s rare, ...

A marine wildlife expert discusses whether people should take caution. Not all animal species are experiencing a detrimental effect due to warming global temperatures. The number of bull sharks -- one ...