The giant squid's esophagus goes through its brain.
Photographs of a shark bearing strange, circular scars could be evidence of a rare giant squid encounter, researchers say.
Great white sharks are fierce hunters. But as juveniles, their diets involve way more bottom-feeding than hunting large prey.
Rattlesnakes are threatened in British Columbia in Canada, and many populations are declining at alarming rates.
After snake eels are swallowed by bigger fish, they can burst out of their predators' stomachs ... to freedom? Not exactly.
Teeny-tiny sea creatures secrete snotty blobs from cells on their heads to build their oversized mucus dwellings.
A pregnant wild elephant in Kerala, India, died on May 27, possibly due to an explosion in her mouth after she ate a fruit stuffed with firecrackers.
Fossil brachiopods from China were crusted with parasites, which may have hijacked their hosts' feeding structures in order to steal their dinner.
Rediscovered footage of a thylacine taken in 1935 is the last-known recording of the marsupial, which went extinct in 1936.
Researchers studied bite marks on more than 2,000 dinosaur bones and found that some of them were cannibalized.
Bats carry a lot of viruses, some of which make people sick. So why don't bats get sick from these pathogens?