Some dogs were domesticated by 33,000 or more years ago, but the Ice Age disrupted the process.
The ancestor who made the 3.7 million-year-old prints walked in a "less ape-ish way" than some humans do today, say scientists.
The fossil of the largest marsupial that ever roamed Australia could offer insight into climate change.
Paleontologists uncover chemical traces of pigmentation for prehistoric bird, fish and squid fossils.
Around 8,000 years ago, prehistoric hunters killed an aurochs and their grilling techniques were frozen in time.
After prehistoric humans and cave bears competed for the same real estate, the bears were wiped out. But are our ancestors to blame?
A brain in near-perfect condition is found in a body-less skull of a person who was decapitated over 2,600 years ago in England.
The thigh bone of a huge extinct mammal was first recovered by the ancient Greeks and may have inspired a beast in classical mythology.
Most other prehistoric pooches were much larger, which raises questions about the French dogs' origins.
A dog-sized plant-eater from 260-million-years ago likely used its fierce-looking teeth to ward off predators.