Fossil teeth of extinct megalodon sharks have grooves made by other megalodon teeth, hinting at violent encounters between ...

But megalodon’s closest relatives are not great whites, as many scientists once believed. Mako sharks are the best living representation of its extinct cousin, albeit much smaller.

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 ...

When did the megalodon shark go extinct, and why? – Landon, age 10 Imagine traveling back in time and observing the oceans of ...

The new research out today in Proceedings of the National Academy of Sciences suggests that the megalodon’s warm-bloodedness may have contributed to its extinction. “Maintaining an energy ...

This extraordinary fossil may help create a better picture of what these gigantic predators looked like. We know that megalodon had become extinct by the end of the Pliocene (2.6 million years ago), ...

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 ...

I write about the ocean, climate change, and the future of our planet. For example, our knowledge of Megalodon's existence comes from the fossil record, which reveals teeth designed for hunting ...

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 ...

if cows swam in the sea. How big are the megalodon's teeth? Watch the video above to see how big the megalodon's tooth compares to that of a great white shark. You can also see how big it is in ...

This extraordinary fossil may help create a better picture of what these gigantic predators looked like. We know that megalodon had become extinct by the end of the Pliocene (2.6 million years ago), ...