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

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 ...

(CN) — Revered among the fiercest predators ever to grace the seven seas, megalodon — the iconic “big tooth” shark — surprisingly possessed weaker teeth than its smaller descendants, according to new ...

Neither shark backbone specimens were found with the massive, serrated teeth associated with megalodon ... feet long (6 meters), seem to be about as big as a stocky animal can be and still ...

Emma explains, 'With its large serrated teeth megalodon would have eaten meat - most likely whales and large fish, and probably other sharks. If you are that big you need to eat a lot of food, so ...

(Graham Thompson/CBC) A Saint John auction house has opened online bidding on a collection of megalodon shark teeth that are millions of years old. Sarah Jones, curator at Jones Auction House ...

Yet even these long gnashers pale in comparison to the largest known shark teeth - those of the extinct megalodon, whose name means ‘big teeth’. Megalodon teeth could reach almost 18 centimetres long, ...

The now-extinct megalodon shark may have been larger than first believed, reaching lengths of 80 feet (24.3 meters), according to a new study published in Palaeontologia Electronica last week. This is ...

Fortunately, sharks produce thousands of teeth during their lifetimes ... Megalodons weren't just big—they were the oceanic equivalent of a T-Rex with fins. These prehistoric predators could ...

Sharks have teeth that are kind of on a conveyor belt. As the front ones break out, they're replaced by others that roll forward to take their place. Big shark species might get through 50,000 ...