The shark has 300 needle-shaped teeth in 25 rows and is a species that dates back 80 million years.
Changes in certain animals can signal earthquakes, tornadoes, heat waves and more.
From a puppy-sized spider to a bug bigger than your hand, 2014 was a good year for sightings of the merely big and the colossal in the animal kingdom.
Ron Hughes did not expect to perform an impromptu C-section on a shark, saving three baby pups in the process, when he took a stroll on the beach.
The good Samaritans noticed movement in the shark's belly and bravely cut her open to rescue the pups.
The stark, barren landscape of Banks Island in Canada has yielded more than 8,000 shark teeth that date back millions of years.
A curious shark chases and attacks an underwater camera, striking the electronics lens-first, in a head-on chomp.
Here are some of the animals--both on sea and on land--that existed during this mega-sized shark’s heyday.
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