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A Saint John auction house has opened online bidding on a collection of megalodon shark teeth that are millions of years old.

Yet back then, any one of these creatures could become prey to the ocean's fiercest apex predator: the megalodon, a giant shark with massive teeth and a body the size of a whale. In many ways ...

Paleobiologist Dr. Kenshu Shimada has been fascinated by fossil sharks, including the giant Otodus megalodon, since childhood ...

TERRIFYING footage shows the moment a group of fishermen wrestled a great white shark back into the water after catching it.

The now-extinct megalodon shark may have been larger than first believed, reaching lengths of 80 feet (24.3 meters), ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Paleobiologist Dr ...

The giant extinct shark species known as the megalodon has captured the interest of scientists and the general public alike, ...

"The teeth are huge because the sharks themselves were insanely massive ... The megalodon species was known for its giant size. A recent study suggests the shark had a slender body up to 24 ...

Paleobiologist Dr. Kenshu Shimada has been fascinated by fossil sharks, including the giant Otodus megalodon, since childhood — he found his first megalodon tooth at 13 years old. So when he saw ...