A new study of teeth belonging to a particularly phallic-looking creature has led to the compilation of a prehistoric 'dentist's handbook' which may aid in the identification of previously unrecognized specimens from the ...
(AP)—Two doctors are denying claims by an Alabama man who says his penis was amputated during what was supposed to be a routine circumcision.
Scientists reported Wednesday on the bizarre sex life of a sea slug that discards its penis after copulation. Then grows a new one.
A new species of fish with a penis on its head has been identified in the Mekong Delta in Vietnam, researchers said on Wednesday.
Biologists on Wednesday reported the spectacular discovery of a species of giant lizard, a reptile as long as a full-grown man is tall, and endowed with a double penis.
The final step in the multidisciplinary approach of gender reassignment therapy in female-to-male transsexuals consists of the construction of a neophallus to allow the patient to void while standing and to have sexual experience ...
Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely spiraled males.