This notorious species may be able to survive further north, which can be hazardous to swimmers and the ecosystem.

Explore 25 cryptids modern science still can't explain. From Sasquatch to Nessie, dive into the mysteries of hidden animals ...

Add Yahoo as a preferred source to see more of our stories on Google. DID YOU KNOW: Some mythical creatures were actually based on a true animal story? Meredith Garofalo shows us the new science and ...

Japanese scientists confirmed the existence of a prehistoric 60-foot octopus that was the world's deadliest predator ...

Squid and cuttlefish, though often confused, diverged around 100 million years ago. These "ten-limbed" cephalopods survived ...