'Hitler's Alligator' Leaves Behind Complicated Legacy at a Moscow Zoo
"Animals are not involved in war and politics. It is absurd to blame them for human sins," the Moscow Zoo wrote on its Facebook page after Saturn's death.
This Lizard Is in the Middle of a Wild Evolutionary Transition, Scientists Believe
An Australian reptile delivered the same litter both in eggs and live birth, suggesting to researchers that an evolutionary shift could be happening before our eyes.
Nearly All Animal Life Evolved From This Gross Worm Creature, Including Us
Some 555 million years ago, this worm-like animal with a mouth and butt tunneled through the seafloor, originating the body plan that gave rise to humans and most other animals.