A soft-bodied, fernlike creature is the earliest known example of procreation in a complex organism, a new study finds.

A reproduction of a 24-karat gold necklace, now on display in Paris, was made using the same methods that created the ...

Biologists are uncovering increasing evidence that females are much more than passive players in the game of reproduction. Examples include ducks with labyrinth-like vaginas that open or close to ...