Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David ...

Some animals have jaws so powerful they can break bones, crack shells, or even split steel. These beasts use their crushing force to hunt, defend, and survive in the wild. Curious to see which ...

While fans of the movie and novel “Jaws” might envision an encounter with a 22-foot great white shark as being daunting, ...

1:48 Shark teeth said to be millions of years old up for auction Sarah Jones, a curator at Jones auction house in Saint John, said the teeth are already drawing significant bids, some exceeding ...