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.

Viral video captures the moment a mako shark jumped onto a fishing boat in New Zealand, stunning passengers before wriggling free unharmed.

GRAND HAVEN (AP) — An ultra swimmer nicknamed The Shark appeared to be back on shore Wednesday, giving up on yet another quest to cross Lake Michigan after more than 36 hours in the water. An online ...

GRAND HAVEN, Mich. (AP) — An ultra swimmer nicknamed The Shark was back on shore Wednesday, having given up on yet another quest to cross Lake Michigan after 40 hours in the water. An online tracker ...

The Texas Water Safari is an annual event that's been dubbed the "World's Toughest Boat Race." Participants have to carry everything they'll need with them while battling the Texas heat—here's what it ...