Researchers give penises a lot of attention, historically speaking. This is especially true in snakes, as scientists know a good deal about the animals’ male reproductive organs, but relatively little ...

From demon to danger noodle, human ideas about snakes can be as contradictory as the creatures themselves. In Slither, Stephen S. Hall challenges our serpent stereotypes.

Male snakes have what is called a hemipenis, the male reproductive organ that is stored in the tail most of the time but is then inverted outside the body to mate. The hemipenis of the red-barred ...