Scientists have discovered that the long-extinct megalodon, also known as the megatooth shark, had a body temperature 7 degrees Celsius warmer than the surrounding seawater. This information might ...

But then they saw the shark appear to shed the white layer from its body as it clumsily swam around, he said. New information about megalodon shark may show why it went extinct In an account of ...

A prehistoric food fight may have spelled the end for the megalodon, the largest shark that ever lived. A study of the ocean giant's fossil teeth suggests it had to compete for food with another ...

The megalodon is an extinct species of giant mackerel shark that lived about 23 to 3.6 million years ago. It was the largest shark to have ever lived and was thought to look like a supersized ...