The massive Megalodon had a staggering 100,000 kilocalories-per-day nutritional demand—which it didn't always fill as expected.

Kim adds that the studies also indicate considerable variation: not all megalodon ate the same things. Getty Images The size of the shark's teeth has led to some confusion as to how big this long ...

More there’s something about Megalodon that grips the imagination like no other. Fossilized shark teeth are some of the most abundant remnants of prehistoric oceans, providing scientists with ...

National Megalodon Day is June 15 and celebrates the close relative to predatory fish, one that ruled the oceans 15 million ...

whose new report was published in the journal Palaeontologia Electronica A “eureka moment” came when they compared the teeth and spine of a living great white shark with megalodon teeth ...

Image Credit: Billion Photos/racksuz/Berit Kessler/Shutterstock, edited by IFLScience. DOWNLOAD PDF VERSION Some fossilized teeth from giant ancient megalodon sharks have unique scratches on them.