Where are the best places and when to search for shark teeth? Why are some blackish and some brownish? How old are they ...

Shark teeth are everywhere once people start noticing them. They turn up in fossil shops, washed along beaches, buried inside ancient rock layers, and occasionally lodged in fishing nets. Yet the ...

Bull sharks (Carcharhinus Leucas) are one of the ocean’s most fearsome creatures. Although some animals may prey on bull sharks, such as crocodiles, killer whales, and the occasional great white shark ...