A study, published in the Environmental Biology of Fishes on Dec. 4, has revealed that male sharks embrace their romantic partners by diving their teeth into a fin to begin fornication.

Gruesome footage reveals the horrendous injuries inflicted by male sharks as they grasp females with their teeth while they mate. These bloody love bites are now helping scientists piece together ...

The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ...

Although mating has never been scientifically observed, scars on female sharks suggest that males use their teeth to hold onto while mating. Based on their estimated growth rate, length and number ...

The shark is believed to be an ancestor of the great white shark. It is now extinct, but its teeth once spanned up to 8.9 cm (3.5 inches) in length, while adults could grow to near seven meters in ...