Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years. Mountains have been built and eroded, continents and oceans have moved ...

Potassium-Argon dating is similar to Carbon 14 dating because it uses radioactive decay, measuring the rate of change from an unstable isotope, to a stable one. This method is a little different from ...

For almost half a century, a fragment of a human skull found on the banks of the Elbe River, near the German town of ...

Pohlsepia mazonensis ' is a fossil discovered in 2000 in Maison Creek, Illinois, USA, in geological strata dating back approximately 311 to 306 million years, and was thought to be the 'world's oldest ...