The father of evolution Charles Darwin was a direct descendant of the Cro-Magnon people, whose entry into Europe 30,000 years ago heralded the demise of Neanderthals, scientists revealed.
Fossils found in a southern French valley suggest our ancestors may have reached Europe 1.57 million years ago - 200,000 years earlier than previously thought.
Extinct woolly mammoths and ancient American horses may have been grazing the North American steppe for several thousand years longer than previously thought.
Forget BASE jumping and snowboarding - you need a microscope to find the most impressive examples of a life truly lived at the extreme. 'Extremophiles' can be found thriving in acid or radioactive waste.
Circling the Sun are billions of comets and asteroids. Both are small and primordial and frequently cross the path of the planets - sometimes with cataclysmic results.
Newly unearthed fossils of a previously unknown species of carnivorous dinosaur has answered some long-standing questions about early dinosaur evolution.