In a heart-stopping moment, the sneaky shark swiftly opens its jaws before engulfing the diver's head. For a few seconds, the swimmer's head remains in the mouth of the predator as it shakes the ...

A group of divers removed a fishing hook from the mouth of a shark in Jupiter, Florida. Video courtesy of the Associated Press Follow BI Video: On Facebook More from Science A triangle pointing ...

“The heaviest great hammerhead shark ever recorded weighed a ... is an indentation in the center of its head with small bumps on either side of the nostrils. The slender hammerhead has ...