Megalodon is NOT alive today, it went extinct around 3.5 million years ago. Go to the Megalodon Shark Page to learn the real facts about the largest shark to ever live, including the actual research about it's extinction.

Do Megalodons still exist in the Mariana Trench?

According to website Exemplore: “While it may be true that Megalodon lives in the upper part of the water column over the Mariana Trench, it probably has no reason to hide in its depths. ... However, scientists have dismissed this idea and state that it is extremely unlikely that the megalodon still lives.

What killed off the megalodon?

Megalodon Was Killed Off By Supernova Radiation That Caused Cancer and Mutations, Study Says. The megalodon—the biggest shark ever to exist—may have been driven to extinction by a supernova explosion 2.6 million years ago.