We mostly discover these extinct sharks through their teeth, which they grew in large numbers throughout their lives and which hold up better to time than the cartilage throughout the rest of ...

An AI-generated image of a shark has been passed off as a genuine image of a long-extinct megalodon shark in social media ...

In the latest study, international researchers used zinc isotopes in the teeth of living and extinct sharks as a tool to understand the diet of long-dead animals. Chemical clues in the teeth of ...

Just in time for summer, the megalodon—the ancient, city bus-sized shark known as the “Megatooth”—has reared its ravenous snout. While the oceans are now safe from the Megatooth, which went extinct an ...

The ocean’s most formidable cold-hearted killer, the long-extinct giant megalodon shark, may have been warm-blooded – which could have caused its disappearance more than three million years ago.

A shark only just formally discovered might already be extinct - a fate no shark has yet suffered in the human era - while an Amazon river dolphin has become endangered, a Red List of species in ...

For two years, Ross had been searching for the common angel shark, a nearly extinct nocturnal species that spends its days hidden in the seabed. Once abundant, angel sharks are now so rare that ...