Amphibians like frogs and toads are a great way to observe metamorphosis. They lay eggs that develop into tadpoles, and then ...

Stingrays give birth to live babies, but they aren't mammals. Learn all about these fascinating fish that live in oceans and ...

CCTV footage captured the moment a rare leopard cub was born in a zoo - a "huge milestone" for the critically endangered ...

Nature is full of evolutionary selflessness. From deep-sea octopuses to certain marsupials, there are animals and insects that reproduce and then die, as their lives can be cut short because they ...

A zebra died in an accidental fall at the Cape May County zoo earlier this month, weeks after giving birth to a foal. Gretta was running with the rest of the herd when she turned and kicked her legs ...