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

The bull shark has needle-like teeth that are slightly serrated, for example. They mostly eat fish, but will also catch turtles and other species of sharks. Some needle-like teeth, such as those of ...

The shark’s distinctive teeth were identified as a new-to-science species during a Paleontological Resource Inventory at Mammoth Cave National Park in southern Kentucky this year. The inventory ...

megalodon — the iconic “big tooth” shark — surprisingly possessed weaker teeth than its smaller descendants, according to new research. Megalodon had broad, triangular teeth which looked and behaved ...

“Unique curved sword, notched like shark's teeth. Weapon carried by corpse pillagers who prowl the sites of old battles. The blade is tacky with blood and covered in hefty nicks, making it ...

Nicknamed the Ginsu shark after the kitchen knife that ... them comes from their abundant—and harder—teeth. Cretoxyrhina's were smooth, curved, and grew more than two inches (five centimeters ...

known as the "Shark Tooth Capital of the World," offers opportunities to find fossilized shark teeth. Heading to one of Florida's beaches for spring break? In between lounging in the sun and ...