Technically, dolphins are whales, and whales are more closely related to cows than sharks.
The sharks appeared in the state of Michoacán.
Her name is Lola, and she is "very pretty."
The teenage swimmers were spotted 2,300 feet offshore.
It looks like a shark "that has undergone some kind of diabolical experiment."
People have discovered intersex creatures across the animal kingdom, but this is a first for this species.
The suddenly cold temperatures may have caused the sharks to become stranded on the beach.
These drones can spot a shark and drop rescue devices.
Behold these marvels of the sea.
Russian authorities found 24 teeth from a prehistoric sea predator that may have been related to the largest ever shark, in the baggage of a man set for China.
If the data proves correct, the shark could have been alive before Galileo Galilei was convicted of heresy and before Dutch settlers made it to New York City.
Why 126 countries are trying to save the sharks.
The parasite likely swam right up their noses.
Just 102 megamouth sharks have been encountered by scientists since their discovery in 1976.
The authorities are looking for the people filmed in the video laughing at the animal's suffering.
Two groups of sharks spotted from San Diego County to Long Beach, prompting 48-hour warning just weeks after a near-fatal bite in San Diego County.