Add Yahoo as a preferred source to see more of our stories on Google. Large dog with blue background. Side profile of senior dog looking guilty sad or ashamed. Side profile of 10 years old female ...

As all children learn, everyone poos. But when did this begin? And what evolutionary and environmental changes accompanied the dawn of dung? Going further, is the evolution of excrement the reason we ...

The Cambrian explosion may have been fueled by poop. The first animals on Earth emerged about 600 million years ago, and 60 million years later, those simple early animals evolved in wildly different ...

Fossilized feces may have helped transform Earth’s early oceans, feeding a cycle of nutrients, larger animals and more complex ecosystems during one of evolution’s most dramatic bursts of ...

New research suggests ancient feces helped fuel marine life during the Cambrian Explosion.

Gilbert’s potoroo, a rabbit-sized marsupial once thought extinct, survives in only a few protected pockets. It doesn’t eat like most animals. More than 90% of its diet consists of fungi, much of it ...