In 1959, Belgian pilot Remy Van Lierde reported a 50-ft snake in Congo. His sighting sparked one of cryptozoology’s longest-living legends.

Jawbone fossils suggest Ichthyotitan severensis may have been the largest ichthyosaur yet known—and hunted prey much like orca. An illustration of a giant pair of swimming Ichthyotitan severnensis, a ...

The green anaconda, found in South America, is the world’s heaviest snake. It’s capable of overpowering animals like ...